{ "version": "2026-09-11-revised", "selection_scope_reference": "selection_scope", "method": "Descriptive source catalogue; source accounts, selected-document observations and interpretation are separated. No source-quality scores, feature codes or inferred field mappings.", "records": [ { "catalogue_id": "S001", "source_key": "aeolianskinner", "name": "Aeolian-Skinner Archive", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Steve Layden (website creator); Jeff Scofield (website manager)", "scope_description": "Skinner and Aeolian-Skinner instruments", "documentary_unit": "Factory specification or manufacturer revision", "source_description": "The archive presents stoplists, photographs and recollections arranged around the firm's instruments. Specifications describe delivery from the factory and revisions by Skinner or Aeolian-Skinner; subsequent alterations by other builders are excluded.", "source_description_references": [ "aeolianskinner_main", "record_aeolianskinner" ], "interpretation": "An opus number can join this archive to an instrument register, but the specifications must be attached to the manufacturer's documented configuration. They cannot stand for the instrument's present state.", "rights_observation": "The archive displays its own copyright notice; no general open licence was established.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "aeolianskinner_main", "record_aeolianskinner" ], "observation_date": "2026-09-10", "selected_document": { "reference": "record_aeolianskinner", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "native_form": "Static opus page with identification block, specification and documentary notes", "repeated_information": "Division columns contain stop name, pitch and pipe quantity or borrowing reference.", "date_and_state_distinctions": "The specification represents the manufacturer state. Later alterations appear in a separate narrative note.", "interpretive_limit": "A stoplist and a later note can concern different states of the same instrument.", "observations": [ "Town, state and church head the record.", "Named manufacturer and opus number.", "Delivery year and a separately dated later alteration.", "Division-based stops include pitches and borrowing references.", "Separate Great, Swell, Choir, Echo and Pedal groups.", "The later note describes replacement of the console.", "Photograph and named photo supplier.", "A named specification source is supplied.", "Cross-reference to an OHS instrument record.", "Specification and photograph have separate source credits." ], "uninspected_or_unfilled_material": [], "narrative": "Opus 511 is presented through a factory specification, division columns and documentary notes. Stop entries include pitches, pipe quantities and borrowing references. A later note concerns replacement of the console. The specification and that alteration note therefore describe different documentary states; the date of the later note cannot be assigned to the factory stoplist." } }, { "catalogue_id": "S002", "source_key": "arpschnitger", "name": "Arp Schnitger Organs", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Geert Jan Pottjewijd", "scope_description": "Arp Schnitger organs; related material on Drenthe", "documentary_unit": "Builder-focused organ profile", "source_description": "This personal site documents Schnitger organs and also carries material on organs in Drenthe. Its entry page names Geert Jan Pottjewijd and gives 4 April 2026 as its last update. Historical announcements remain on the same page.", "source_description_references": [ "arpschnitger", "record_arpschnitger" ], "interpretation": "The builder-centred selection makes this a useful specialist counterpart to regional inventories. The date on the home page does not date every instrument description, and the different sections should not be counted as one geographical census.", "rights_observation": "No general reuse licence was established from the consulted entry page.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "arpschnitger", "record_arpschnitger" ], "observation_date": "2026-09-10", "selected_document": { "reference": "record_arpschnitger", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "native_form": "Static historical essay with photographs and a later specification", "repeated_information": "Dated narrative entries and a division-based stop table.", "date_and_state_distinctions": "One page follows a case across replacement instruments and relocation to another church.", "interpretive_limit": "A page is not necessarily one instrument at one place. The later stoplist belongs to the organ installed in the transferred case.", "observations": [ "Glückstadt and the subsequent destination of the case are named.", "Several builders are associated with dated interventions.", "Chronological entries distinguish construction, replacement and relocation.", "Later specification arranged by divisions and pitches.", "Hauptwerk, Rückpositiv and Pedal are separate groups.", "Case survival and transfer are described.", "The original organ is identified as former; the case survives elsewhere.", "Historical and later case photographs with credits.", "Named information provider and an image-source citation.", "Links to the later case photograph and its Wikimedia source.", "Information and photograph contributors are named." ], "uninspected_or_unfilled_material": [], "narrative": "The Glückstadt account follows the survival and transfer of a case into another instrument. Dated narrative entries concern successive builders and locations, while the later specification belongs to an organ in the transferred case. The page thus supplies evidence about material continuity that would be lost if its URL were treated as one unchanged instrument at one address." } }, { "catalogue_id": "S003", "source_key": "augustine_virtual_organs_samples", "name": "Augustine's Virtual Organs Sample Set Listings", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Augustine's Virtual Organs", "scope_description": "Hauptwerk products grouped by style, builder and manual count", "documentary_unit": "Original sample-set listing", "source_description": "The catalogue separates original recordings from composite sets and marks a subset as free. It also distinguishes the producer's own recordings from recordings supplied by others and subsequently made into sample sets.", "source_description_references": [ "augustine_virtual_organs_samples" ], "interpretation": "Original, composite and derived products need separate records. The free category describes distribution price; it does not supply a common licence for the audio.", "rights_observation": "Copyright is asserted in the footer; product-specific permissions remain to be checked.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "augustine_virtual_organs_samples" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S004", "source_key": "bdo_tuning_systems", "name": "BDO Tuning Systems", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Hans Eugen Frischknecht; Jakob Schmid; hosted by Bund Deutscher Orgelbaumeister", "scope_description": "Historical and theoretical temperaments", "documentary_unit": "Tuning-system definition", "source_description": "The collection groups temperaments, offers sound examples and distinguishes a more precise calculation section. Its authors page credits Frischknecht with the conception, research and graphical presentation and Schmid with the website's implementation.", "source_description_references": [ "bdo_tuning_systems", "bdo_authors" ], "interpretation": "Temperament definitions support comparison of interval structures. They provide no evidence that a particular organ used a temperament.", "rights_observation": "No general licence was identified on the consulted index or authors page.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "bdo_tuning_systems", "bdo_authors" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S005", "source_key": "binauralpipes_instruments", "name": "Binaural Pipes Instruments", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Dietrich Wierczeyko / Binauralpipes", "scope_description": "Selected organs represented in a sampling project", "documentary_unit": "Instrument or prospective sample-set listing", "source_description": "The instruments page lists places, builders, dates and compact stop/manual counts. It includes a section for sample sets in preparation and credits Dietrich Wierczeyko in its copyright notice.", "source_description_references": [ "binauralpipes_instruments" ], "interpretation": "A listed organ is not necessarily an available download. Preparation, release and subsequent revision should be distinct states. The project's selection cannot measure the distribution of surviving organs.", "rights_observation": "Copyright is asserted; the consulted list does not establish download or redistribution terms.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "binauralpipes_instruments" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S006", "source_key": "contrebombarde_organs", "name": "Contrebombarde Sample Set Library", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Contrebombarde Concert Hall", "scope_description": "Cross-producer virtual organ catalogue associated with a recording community", "documentary_unit": "Sample-set registry entry", "source_description": "The search interface distinguishes sample-set producer from physical organ builder and offers filters for style, manuals and construction period. The interface therefore distinguishes the virtual product's producer from the instrument builder.", "source_description_references": [ "contrebombarde_organs" ], "interpretation": "Use the registry for product discovery and links to performances. Availability, price and licensing should be cited to the producer's corresponding release. A recording associated with a set does not document a performance on the physical organ.", "rights_observation": "Registry access was public; no common licence for the linked products or performances was established.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "contrebombarde_organs" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S007", "source_key": "digital_sheet_music", "name": "Digital Sheet Music Sources", "selection_role": "registered_source", "parent_source_key": null, "attribution": "MODAVIS Aggregator (composite connector)", "scope_description": "PDMX; Little Organ Book; IMSLP/WIMA; Mutopia; direct MuseScore records", "documentary_unit": "Collection-qualified score record and file assets", "source_description": "This key denotes a connector spanning five named collections. Its configured MusicXML.com address is a directory of music resources, not the publisher of all the scores. The five collection definitions are recorded separately in this package.", "source_description_references": [ "digital_sheet_music", "repo_score_collections" ], "interpretation": "Cite the score's collection, edition and file version. Neither a composition title nor the connector key identifies an edition.", "rights_observation": "Rights differ by collection, edition and file. The MusicXML directory supplies no umbrella permission.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "digital_sheet_music", "repo_score_collections" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S008", "source_key": "estey", "name": "Estey Pipe Organ Archive", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Matrix Associates / The Estey Organ virtual museum", "scope_description": "Estey company history, instruments and documentary material", "documentary_unit": "Opus-list entry or archival item", "source_description": "The virtual museum joins a pipe-organ opus list to catalogues, photographs, facade drawings, patents, recordings and company history. Although now served from the Pipe Organ Database archive host, the page identifies itself as a privately owned website and carries a Matrix Associates copyright notice.", "source_description_references": [ "estey", "record_estey" ], "interpretation": "Cite the original archive and individual item as well as the current host. Manufacturing totals in the introduction are historical company statements, not counts of surviving instruments or digitised records.", "rights_observation": "The page invites downloading photographs and information and requests attribution when they are reused; it does not name a standard open licence.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "estey", "record_estey" ], "observation_date": "2026-09-10", "selected_document": { "reference": "record_estey", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "native_form": "Static opus record combining stop table and transcribed historical notice", "repeated_information": "Manual and pedal groups followed by couplers and action details.", "date_and_state_distinctions": "The dated newspaper notice is a documentary account, not an update date for the website.", "interpretive_limit": "Keep the opus specification separate from the historical notice and its publication date.", "observations": [ "Church, town and state identify the installation.", "Estey opus identity is supplied by the record and archive context.", "The historical notice is dated to the instrument opening.", "Named stops and pitches grouped under Great, Swell and Pedal.", "Pedal compass and division labels are given.", "Tubular-pneumatic action is stated.", "Couplers and swell control are listed.", "The page incorporates a dated historical press account." ], "uninspected_or_unfilled_material": [], "narrative": "Opus 1 combines a manual-and-pedal specification with a transcribed historical press notice. Couplers and tubular-pneumatic action are described alongside the stoplist. The notice has its own documentary date; it is not a date of revision for the website. The opus record and the historical account should remain distinguishable when citing the installation." } }, { "catalogue_id": "S009", "source_key": "evensong_hauptwerk_samplesets", "name": "Evensong Hauptwerk Sample Sets", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Evensong LLC", "scope_description": "Selected instruments, prominently North American organs", "documentary_unit": "Hauptwerk sample-set product", "source_description": "The catalogue pairs named organs with product pages and describes the producer's sampling history. It acknowledges extensions using stops from other sources in an early product. A separate sample-set licence is linked from the catalogue.", "source_description_references": [ "evensong_hauptwerk_samplesets", "evensong_rights" ], "interpretation": "A product's virtual specification may exceed its recorded instrument. The package version and the original or extended configuration must therefore accompany comparisons of stops and manuals.", "rights_observation": "A product licence governs use. Its repurposing clause is conditional and should be read for the specific release; no blanket CC0 permission is recorded.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "evensong_hauptwerk_samplesets", "evensong_rights" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S010", "source_key": "gdo_literature", "name": "GDO Literaturdatenbank", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Alfred Reichling; Matthias Reichling; Gesellschaft der Orgelfreunde", "scope_description": "Literature on organ building and playing; scores excluded", "documentary_unit": "Bibliographic entry", "source_description": "The society credits Alfred and Matthias Reichling with the bibliography. The introduction describes journal surveys, monographs, commemorative volumes, proceedings and articles, with author, title, publication details and annotations. The configured database endpoint returned HTTP 500 during this check; the explanatory page remained readable.", "source_description_references": [ "gdo_intro", "gdo_literature" ], "interpretation": "The bibliography is a route to publications, not evidence that their full texts were consulted.", "rights_observation": "No general licence for redistributing the complete bibliography was established.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "gdo_intro", "gdo_literature" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S011", "source_key": "gdo_orgelbauer_links", "name": "GdO Orgelbauer Links", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Gesellschaft der Orgelfreunde", "scope_description": "International organ-building directory grouped by country", "documentary_unit": "Directory link to a builder, supplier or association", "source_description": "The directory includes both individual firms and organ-building associations. Country headings organise the links. A firm's name and destination website form useful identifying evidence, while association links describe a different type of organisation.", "source_description_references": [ "gdo_orgelbauer_links" ], "interpretation": "A directory appearance does not establish current trading status, legal continuity or responsibility for a historical instrument. Those questions require the destination's own records and dated construction evidence.", "rights_observation": "The directory carries a society copyright notice; no general open licence was established.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "gdo_orgelbauer_links" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S012", "source_key": "grandorgue_github_wiki", "name": "GrandOrgue GitHub Wiki: Sample Sets", "selection_role": "registered_source", "parent_source_key": null, "attribution": "GrandOrgue project contributors", "scope_description": "GrandOrgue resources across multiple producers", "documentary_unit": "Sample-set or organ-definition-file directory entry", "source_description": "The wiki separates free or demonstration sample sets from organ definition files for commercial recordings. It names external hosts, including Lars Palo, MPS Orgelseite and Virtual Pipe Organs, and tells readers to consult individual licences.", "source_description_references": [ "grandorgue_github_wiki" ], "interpretation": "Several Aggregator keys describe resources also listed here. These are multiple discovery paths, not independent sample-set populations. A wiki revision is preferable to an undated link when recording changes in availability.", "rights_observation": "Individual sample-set and ODF licences apply; the software project's licence is not evidence of the audio's licence.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "grandorgue_github_wiki" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S013", "source_key": "indo", "name": "INdO", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Orgue en France", "scope_description": "France, including overseas departments and territories in the search interface", "documentary_unit": "Organ record with history and technical description", "source_description": "Orgue en France develops and maintains the collaborative national inventory, supported by the French Ministry of Culture since 2017. The site opened to public contributions in 2021 and describes its purpose as extending earlier departmental and regional inventories.", "source_description_references": [ "indo", "record_indo" ], "interpretation": "Existing and disappeared instruments are separate categories. Construction, rebuilding and current condition need their own dates and attributions. An inventory entry's completion state is distinct from the physical condition of the organ.", "rights_observation": "The consulted editorial page did not establish a single licence covering records, photographs and attachments.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "indo", "record_indo" ], "observation_date": "2026-09-10", "selected_document": { "reference": "record_indo", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "native_form": "Structured organ profile with linked authority records and contribution history", "repeated_information": "Sound divisions contain stops and compasses. Builder activities repeat with roles and dates.", "date_and_state_distinctions": "Construction and restoration dates are distinct from the page revision and contributor history.", "interpretive_limit": "Visible headings do not guarantee values. The examined barrel-organ record has no ordinary pedal division.", "observations": [ "Building, town, department and position within the building are populated.", "The organ profile links to a location map.", "Builder and restorer entries have roles and dates.", "Construction, restoration and modification activities are listed.", "Eight named stops with pitches in the selected manual division.", "Manual compass and note count are supplied.", "Key and stop actions and windchest description are populated.", "Temperament and pitch include a temperature-qualified measurement.", "The bellows/reservoir arrangement is described.", "Case and console have separate descriptions.", "Playability and ownership are stated, with heritage-protection identifiers.", "The record contains linked instrument images.", "Bibliographic sources and a linked documentary extract are identified.", "National heritage identifiers and builder-record links are present.", "Update date, named contributor and contribution history are displayed." ], "uninspected_or_unfilled_material": [], "narrative": "The Airvault barrel-organ record separates location, builder activities, technical description, sources and contribution history. It gives one manual division, a compass and note count, tuning information, a bellows description and heritage identifiers. It has no ordinary pedal division. That feature belongs to this instrument and cannot be interpreted as a missing-data rate for the national inventory." } }, { "catalogue_id": "S014", "source_key": "iohio", "name": "IOHIO", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Instituto de Órganos Históricos de Oaxaca", "scope_description": "Oaxaca, Mexico", "documentary_unit": "Historical organ profile", "source_description": "IOHIO's bilingual website presents its work on the historic organs of Oaxaca. Aggregator registers it as an organ source; the public site also contains institutional and programme material beyond the organ profiles.", "source_description_references": [ "iohio", "iohio_home", "record_iohio" ], "interpretation": "Its institutional home page supplies context, but only an individual profile can substantiate an instrument's specification or conservation state.", "rights_observation": "No general licence for reproducing the collection was established from the consulted pages.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "iohio", "iohio_home", "record_iohio" ], "observation_date": "2026-09-10", "selected_document": { "reference": "record_iohio", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "native_form": "Bilingual instrument profile with labelled technical summary and historical essay", "repeated_information": "Specification is split into left-hand and right-hand stop groups.", "date_and_state_distinctions": "Original construction, later alterations and restoration are distinguished in prose.", "interpretive_limit": "Split registers and cancelled stops need their own attributes; a flat list loses their functional meaning.", "observations": [ "Church and region identify the organ.", "Original maker is unknown; restorers and restoration participants are named.", "Construction, relocation, rebuilding and restoration are described with dates.", "Separate bass and treble stop groups identify cancelled reed stops.", "Keyboard range, short octave and split point are specified.", "Reconstruction of keyboard action and windchest is described.", "Pitch and meantone temperament are stated.", "Bellows construction and wind pressure are stated.", "Case measurements, decoration and keyboard configuration are documented.", "Current use and surviving original components are described.", "Case, pipe-decoration and detail photographs are included.", "The narrative refers to dated historical inventories.", "Comparable instruments are linked." ], "uninspected_or_unfilled_material": [], "narrative": "The La Soledad profile combines a historical account with technical description and photographs. Its specification distinguishes bass and treble registers, describes the short octave and identifies cancelled reed stops. Pitch, temperament, wind pressure and case dimensions are reported in the profile. A transcription should preserve the split-register arrangement and the distinction between surviving, reconstructed and cancelled components." } }, { "catalogue_id": "S015", "source_key": "jeux_d_orgues_downloads", "name": "Jeux d'orgues Sample Set Downloads", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Jeux d'orgues", "scope_description": "Historic French organs", "documentary_unit": "Sample-set release and format variant", "source_description": "The project records historic French organs and distributes products in several virtual-instrument and sound-bank formats. Its site lists distinct numbered releases, including Stiehr-Mockers, Silbermann, La Chaise-Dieu and Souvigny.", "source_description_references": [ "jeux_d_orgues_downloads" ], "interpretation": "Product number, organ identity and software format are separate fields. A format named on the project home page should not be assigned to every release without checking that release's page.", "rights_observation": "The home page asserts copyright. Price and download availability do not resolve file-specific licence terms.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "jeux_d_orgues_downloads" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S016", "source_key": "kirchenorgelforum", "name": "Kirchenorgel-Forum", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Kirchenorgel-Forum", "scope_description": "Pipe, electronic and virtual organs; playing, music and community discussion", "documentary_unit": "Discussion thread and dated post", "source_description": "The forum divides pipe organs from electronic, digital and virtual instruments and provides further sections on scores, interpretation, improvisation and events. The public index was readable without entering an account.", "source_description_references": [ "kirchenorgelforum" ], "interpretation": "Cite a post and its date for a contributor's statement. A thread title alone does not substantiate a technical claim, and a public index does not show that every linked post or attachment is accessible. This package contains no participant prose.", "rights_observation": "No republication permission for post text, attachments or participant data was established.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "kirchenorgelforum" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S017", "source_key": "lars_palo_vpo", "name": "Lars Palo Free GrandOrgue Samplesets", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Lars Palo", "scope_description": "Primarily Swedish organs prepared for GrandOrgue", "documentary_unit": "Sample-set package, variant and patch", "source_description": "The download table distinguishes original and extended stop counts and gives package versions, file sizes and software requirements. Its licensing statement separates older sets under CC BY-SA 2.5 from the 2023 Norrfjärden set under CC BY-SA 4.0.", "source_description_references": [ "lars_palo_vpo" ], "interpretation": "Version and original/extended status are necessary comparison fields. Summing the stop counts of virtual extensions would misdescribe the recorded instrument. A patch belongs to the release it modifies.", "rights_observation": "The page reports Creative Commons licences with differing versions; the downloaded package's own licence remains the item-level reference.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "lars_palo_vpo" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S018", "source_key": "lavender_audio_hereford", "name": "Lavender Audio Hereford Hauptwerk Sample Sets", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Lavender Audio", "scope_description": "One physical organ represented by multiple virtual editions", "documentary_unit": "Hereford sample-set edition", "source_description": "The page distinguishes an evaluation set, 23-stop and 46-stop editions, and the complete 67-stop instrument. It also identifies an XL extension and gives April 2009 and February 2010 as sampling dates.", "source_description_references": [ "lavender_audio_hereford" ], "interpretation": "These products form a particularly clear example of one organ yielding several catalogue records. Sampling date, selected ranks and extended keyboard compass must remain separate from the historical organ's specification.", "rights_observation": "The page retains copyright in samples, images and definition files and specifies licensed software use. The evaluation edition is not an open-data release.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "lavender_audio_hereford" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S019", "source_key": "milan_digital_audio_instruments", "name": "Milan Digital Audio Instruments", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Milan Digital Audio", "scope_description": "Selected historical and modern instruments for Hauptwerk", "documentary_unit": "Commercial virtual-organ product", "source_description": "The indexed official catalogue identifies products based on organs at St Eucaire, Salisbury, Bovenkerk, Notre Dame de Metz, Mt Carmel and St Peter and Paul. Direct requests to the site returned HTTP 403 in this review.", "source_description_references": [ "indexed_milan", "milan_digital_audio_instruments" ], "interpretation": "The indexed listing supports identification of the catalogue, not current prices, download availability or release compatibility. Those fields remain unverified. Record the product separately from the physical instrument.", "rights_observation": "Product licence terms were not accessible in the direct check.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "indexed_milan", "milan_digital_audio_instruments" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S020", "source_key": "mps_orgelseite_filebase", "name": "MPS Orgelseite Filebase", "selection_role": "registered_source", "parent_source_key": null, "attribution": "MPS Orgelseite contributors", "scope_description": "Community resources for GrandOrgue and Hauptwerk", "documentary_unit": "Filebase entry, including ODFs, composites and other resources", "source_description": "The current filebase mixes definition files, composite organs, simulations, tools and musical material. Entries expose dates, revisions and download counters, with separate GrandOrgue and Hauptwerk categories.", "source_description_references": [ "mps_orgelseite_filebase" ], "interpretation": "A filebase category is not a homogeneous sample-set collection. Classify each entry before joining it to organs or products. Public metadata and downloadable bytes have different access conditions; no attachments were retrieved here.", "rights_observation": "Permissions depend on the contribution and on any underlying samples it requires.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "mps_orgelseite_filebase" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S021", "source_key": "musiqueorguequebec", "name": "Musique et musiciens - Orgues", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Musique et musiciens / Music and musicians", "scope_description": "Organ-related pages; wider musical content on the parent site", "documentary_unit": "Organ profile within a broader music website", "source_description": "The configured root identifies a bilingual music website rather than an organ-only register. Aggregator's organ adapter selects profiles from this larger resource. The root-page response by itself gives no reliable organ-record count.", "source_description_references": [ "musiqueorguequebec", "selection_scope", "record_musiqueorguequebec" ], "interpretation": "Catalogue references should point to the organ profile, not the general home page. The site's name should not be used to infer that every documented instrument is in Québec.", "rights_observation": "No general licence for the selected organ profiles was established.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "musiqueorguequebec", "selection_scope", "record_musiqueorguequebec" ], "observation_date": "2026-09-10", "selected_document": { "reference": "record_musiqueorguequebec", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "native_form": "Bilingual church-and-organ essay with comparative specification tables", "repeated_information": "Original and current stops appear side by side within each division.", "date_and_state_distinctions": "Building history and organ history coexist. Original and later specifications are explicitly differentiated.", "interpretive_limit": "Parallel original/current columns must remain aligned; church events must not become organ construction events.", "observations": [ "Church, municipality and province identify the page.", "Original builder/opus and a later builder are named.", "Dated building and organ narratives are separate sections.", "Original and current specifications are compared by division.", "Manual and pedal ranges and note counts are provided.", "Electro-pneumatic action is stated.", "Couplers, adjustable combinations and expression controls are listed.", "The page includes an instrument photograph and enlarged-image link.", "A dedicated bibliography closes the page.", "Internal language/specification anchors and image links are present." ], "uninspected_or_unfilled_material": [], "narrative": "The Bic, Sainte-Cécile page separates building history from organ history and presents original and later specifications in parallel columns. The columns preserve relationships between successive states of each division. Manual and pedal ranges, action and playing aids accompany the stoplist. Reading either the building chronology or the two specification columns as one undifferentiated organ record would change the account." } }, { "catalogue_id": "S022", "source_key": "musixplora", "name": "musiXplora", "selection_role": "registered_source", "parent_source_key": null, "attribution": "musiXplora / Universität Leipzig", "scope_description": "Persons, institutions, objects or works, places, events, concepts and titles", "documentary_unit": "Typed entity and relation", "source_description": "The public interface separates seven lexical domains. Its person search exposes several external authority identifiers, while the project description presents musiXplora as an expanding organological and musicological reference resource.", "source_description_references": [ "browser_musixplora", "selection_scope" ], "interpretation": "Entity and relation identifiers can support comparison across collections. Observations of the public interface do not establish the coverage or date of a separately obtained data extract.", "rights_observation": "Open access is stated by the project; a licence for redistributing the local dump was not established by the public pages.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "browser_musixplora", "selection_scope" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S023", "source_key": "nomine", "name": "Nomine", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Norddeutsche Orgelmusikkultur in Niedersachsen und Europa e.V. (NOMINE)", "scope_description": "Historical organs between the Ems and Elbe", "documentary_unit": "Regional organ portrait", "source_description": "NOMINE organises portraits by East Frisia, Oldenburg, Stade and Lüneburg and links the instruments to recordings and video portraits. Its introduction describes a regional heritage of 300 historic organs.", "source_description_references": [ "nomine", "record_nomine" ], "interpretation": "The stated regional total is not a verified count of downloadable records. The combination of portraits and recordings supports contextual study, while a representative inventory would require a separate account of selection and omissions.", "rights_observation": "The site marks its content as protected; no open licence for text, photographs or recordings was established.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "nomine", "record_nomine" ], "observation_date": "2026-09-10", "selected_document": { "reference": "record_nomine", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "native_form": "Regional organ portrait with explanatory prose, stop table and dated work history", "repeated_information": "Division columns, technical rows and a separate construction/restoration chronology.", "date_and_state_distinctions": "Current instrument, surviving earlier case and retained ranks are explicitly distinguished.", "interpretive_limit": "Count surviving components separately from the date of the present instrument.", "observations": [ "Church, place and navigation address are supplied.", "Builders and their interventions are named.", "A chronological work history accompanies the present specification.", "Stops retain division, pitch and mixture-rank information.", "Manual/pedal compass and division labels are given.", "Historical windchest and action changes are discussed.", "Surviving case and coupling arrangements are described.", "Retention of earlier case and registers is explicit.", "Dated bibliography and literature citations are supplied.", "A documentary stand date is attached to the account." ], "uninspected_or_unfilled_material": [], "narrative": "The Abbehausen portrait distinguishes the present instrument from its earlier case and retained registers. A division-based stop table, key compasses, work chronology and bibliography accompany the account. The construction date of the present organ and the dates of surviving components therefore answer different historical questions." } }, { "catalogue_id": "S024", "source_key": "npor", "name": "NPOR", "selection_role": "registered_source", "parent_source_key": null, "attribution": "British Institute of Organ Studies (BIOS)", "scope_description": "National Pipe Organ Register and linked British organ resources", "documentary_unit": "Source survey linked to an organ", "source_description": "BIOS provides the register, whose content is managed under an agreement with the Royal College of Organists. The current interface advertises more than 37,000 organs and links to the Historic Organ Sound Archive, British Organ Archive and Directory of British Organ Builders.", "source_description_references": [ "browser_npor", "rendered_record_npor" ], "interpretation": "A survey identifier identifies a documentary record. Repeated surveys or revised descriptions must not be counted automatically as different physical organs. The linked archives are additional resources, not separate registered Aggregator keys in this inventory.", "rights_observation": "Copyright is displayed. No general open licence for surveys, archive images or sound recordings was established.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "browser_npor", "rendered_record_npor" ], "observation_date": "2026-09-10", "selected_document": { "reference": "rendered_record_npor", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "native_form": "Survey record with separate history, builder and archive links", "repeated_information": "Departments contain action, compass and stop rows. Survey updates and photographs are separate repeatable sections.", "date_and_state_distinctions": "Survey date, last update, building history, work dates and photograph dates are distinct.", "interpretive_limit": "Survey identifiers distinguish accounts. Related surveys may describe earlier organs or previous locations.", "observations": [ "Church address, postcode and building type are supplied.", "National Grid reference links to a neighbourhood search.", "Named builder linked to a builder record.", "Relocation/rebuilding account links to earlier and related surveys.", "Department tables provide stop names, pitches and explanatory notes.", "Department-specific key compasses and note counts are populated.", "Key and stop action are stated separately for departments.", "Equal temperament is specified.", "Electric blowing is recorded.", "Separate case and console descriptions include control details.", "The survey marks the organ playable.", "Dated, credited case and console photographs are available.", "A British Organ Archive reference and source codes are supplied.", "Related survey, builder and history identifiers are linked.", "Survey date, input date, source code and dated updates are separate." ], "uninspected_or_unfilled_material": [], "narrative": "Survey D00002 has department-level stop tables, separate action and compass information, case and console descriptions, photographs and dated updates. It links to builder and related survey/history records and supplies a British Organ Archive reference. Its location and playable state belong to the dated survey. Earlier or related surveys cannot be counted as additional physical organs without examining their relationship." } }, { "catalogue_id": "S025", "source_key": "nycago", "name": "NYC AGO", "selection_role": "registered_source", "parent_source_key": null, "attribution": "New York City Chapter, American Guild of Organists", "scope_description": "Present and former organs in all five New York City boroughs", "documentary_unit": "Building or venue page containing organ histories", "source_description": "The project's official index describes an ongoing record of organs installed in the five boroughs. It distinguishes non-extant entries and indicates whether a specification is available. Direct requests were refused, so the content check used an indexed official page.", "source_description_references": [ "indexed_nycago", "nycago_catalogue", "record_nycago" ], "interpretation": "One building page may describe successive instruments. Borough, venue and installation history should therefore be retained when reconciling identifiers. The indexed evidence is older than this package's retrieval date.", "rights_observation": "No collection-wide reuse permission was established from the consulted evidence.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "indexed_nycago", "nycago_catalogue", "record_nycago" ], "observation_date": "2026-09-10", "selected_document": { "reference": "record_nycago", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "access_finding": "The selected detail URL returned HTTP 403. Its native content was not examined." } }, { "catalogue_id": "S026", "source_key": "ohs", "name": "OHS Pipe Organ Database", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Organ Historical Society", "scope_description": "Pipe Organ Database", "documentary_unit": "Instrument record with related builders, places and documentary items", "source_description": "The database exposes instrument, builder and location searching alongside stoplists, images and documents. Its home page separately reports totals for these entities and identifies the project as belonging to the Organ Historical Society.", "source_description_references": [ "web_ohs", "ohs", "rendered_record_ohs" ], "interpretation": "The separate counters should remain separate populations. A stoplist may describe a particular date or configuration, and a builder attribution may concern an original instrument or later work. Neither should be collapsed into an undated present-day description.", "rights_observation": "The home page states that its information, images and documents may be used for educational or other purposes. Individual credits and rights still need to accompany reused items.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "web_ohs", "ohs", "rendered_record_ohs" ], "observation_date": "2026-09-10", "selected_document": { "reference": "rendered_record_ohs", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "native_form": "Relational instrument page with separately identified location, builder, stoplist and console records", "repeated_information": "Selectable stoplists and consoles; divisions contain stop rows. Documents, audio and notes are separate collections.", "date_and_state_distinctions": "Instrument year, stoplist publication date, submission date and dated editorial notes are separate.", "interpretive_limit": "A stoplist or console is a child record with its own evidence. Zero audio items in this example is not a site-wide absence.", "observations": [ "Building, room, street address, city and location-record link.", "A map locates the installation.", "Named manufacturer linked to a builder record, with opus and year.", "Dated notes record later alterations and information updates.", "Selectable stoplist with named divisions, pitches and pipe quantities.", "Console record gives manual and pedal note counts.", "Key and stop actions are separate console attributes.", "Separate console record describes position, design and controls.", "Extant and playable are explicit instrument states.", "Three documents are counted, and the stoplist has an attributed documentary source.", "Location, builder and stoplist identifiers have separate routes.", "Original stoplist publication, receipt and later editorial dates are distinguished." ], "uninspected_or_unfilled_material": [ "Image section and category filters are exposed; image payloads were not inspected.", "The selected instrument explicitly reports zero audio items.", "The selected instrument explicitly reports zero blower records." ], "narrative": "Instrument 1 links to separately identified location, builder, stoplist and console records. The selected stoplist has attribution and documentary dates; the console supplies its own technical information. The interface explicitly counted no audio items and no blower records for this example. Those empty collections do not establish that the database lacks those record types or that the instrument has no wind supply." } }, { "catalogue_id": "S027", "source_key": "ohta", "name": "OHTA Organs of Australia", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Organ Historical Trust of Australia", "scope_description": "Australian pipe-organ heritage", "documentary_unit": "Gazetteer entry and associated documentation", "source_description": "OHTA combines gazetteers with conservation guidance, builder documentation and a separate John Stiller documentation project dated 1978-1986. It also lists relocated and redundant organs.", "source_description_references": [ "ohta", "ohta_rights", "record_ohta" ], "interpretation": "The historical survey and later gazetteer entries are distinct documentary layers. Relocation is especially important when matching an organ by its present address. Page authorship and the date of the underlying inspection should be retained where supplied.", "rights_observation": "The published policy limits use to personal, educational and non-commercial purposes and requires permission for reproduction.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "ohta", "ohta_rights", "record_ohta" ], "observation_date": "2026-09-10", "selected_document": { "reference": "record_ohta", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "native_form": "Gazetteer article with footnoted historical essay and specification", "repeated_information": "Earlier and present organs occupy separate sections; stops are grouped by manual and pedal.", "date_and_state_distinctions": "The selected article separates a removed predecessor from the present instrument and records its later destination.", "interpretive_limit": "One venue article can describe multiple organs. Count instrument states and relocations separately from page count.", "observations": [ "Church and locality are identified in the article.", "Earlier and present builders and an opus are named.", "Construction, relocation and replacement are dated.", "Present instrument has a division-based stoplist with pitches.", "Manual/pedal note counts and division labels are stated.", "Mechanical key and stop action is stated.", "Equal temperament is stated.", "Case material, key coverings and pedalboard design are described.", "Removal and later installation of the predecessor are documented.", "Dated and attributed church, organ and console photographs.", "Numbered notes cite publications and on-site observations.", "Links connect the relocated instrument and related venues.", "Named author, observation dates and page-update date are supplied." ], "uninspected_or_unfilled_material": [], "narrative": "The Brisbane Lutheran article treats an earlier, relocated organ separately from the present instrument. Its specification includes division grouping, compass, action and console details. Footnotes and photographic credits identify documentary sources and observations. This is a venue history containing more than one instrument, rather than one timeless specification." } }, { "catalogue_id": "S028", "source_key": "organindex", "name": "Organ Index", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Organ Index contributors", "scope_description": "Organ descriptions in a collaborative wiki", "documentary_unit": "MediaWiki article and revision", "source_description": "Aggregator includes this organ source in its selection frame. The public entry point returned HTTP 403 during the review; its current articles, statistics and licence were not verified.", "source_description_references": [ "organindex", "selection_scope", "record_organindex" ], "interpretation": "A revision identifier is preferable to an unversioned article URL. Article titles can change, and shared text or images may originate elsewhere. The failed request is an access observation, not evidence that the wiki has ceased operation.", "rights_observation": "Current wiki and image licence terms remain unverified in this review.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "organindex", "selection_scope", "record_organindex" ], "observation_date": "2026-09-10", "selected_document": { "reference": "record_organindex", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "access_finding": "The configured entry URL returned HTTP 403. No article was inspected." } }, { "catalogue_id": "S029", "source_key": "orgbase", "name": "Orgbase", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Orgbase / Organ Database", "scope_description": "International; multilingual interface", "documentary_unit": "Organ description and specification", "source_description": "Orgbase describes instruments worldwide and provides searches by builder, place, building, construction year and text. Its information page dates the database's beginning to October 1999. DBIS, the library database directory, reports more than 75,000 records; the consulted entry supplies no date for that quantity. The home page explicitly notes that not all descriptive information is available in every language.", "source_description_references": [ "orgbase", "orgbase_about", "orgbase_dbis", "record_orgbase" ], "interpretation": "The DBIS figure establishes a reported scale, not a verified current total or a count of distinct surviving instruments. Language-specific versions may be incomplete relative to one another. Searches and comparisons should preserve the original language and source identifier. The information page's first-person account supplies a history but no named author in the retrieved text.", "rights_observation": "No general open licence was established from the home and information pages.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "orgbase", "orgbase_about", "orgbase_dbis", "record_orgbase" ], "observation_date": "2026-09-10", "selected_document": { "reference": "record_orgbase", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "native_form": "Searchable database with parameterised description records and technical sections", "repeated_information": "Division stop counts precede prose-form division specifications, couplers and bibliography.", "date_and_state_distinctions": "Builder date and documentary literature dates are distinct. Language versions may differ in completeness.", "interpretive_limit": "Comma-separated division text includes pitches, mixture ranks, borrowing and compass information. It is not a uniform row-per-stop table.", "observations": [ "Country, region, city and named concert venue are populated.", "Named builder and construction year.", "Builder year and opening account provide dated instrument history.", "Stops are listed as comma-separated entries within divisions.", "Division labels and manual/pedal compasses are supplied.", "Separate key action, stop action and windchest fields.", "Pitch and temperament are separately populated.", "Wind pressure is stated with a unit.", "Couplers and a combination-system accessory are specified.", "Instrument photograph with named builder credit.", "A bibliography gives journal titles, issue details and authors.", "The venue website and source description identifier are present.", "The image supplier is credited; bibliography attribution is item-specific." ], "uninspected_or_unfilled_material": [], "narrative": "Record 2000011, for the Kazan concert organ, combines labelled technical attributes with division-based, comma-separated specifications. It distinguishes key action, stop action, windchest, pitch, temperament and wind pressure, and supplies compass information, playing aids and bibliography. Its stoplist is not a uniform table with one row per stop. The record identifier and language parameter belong in a reproducible citation." } }, { "catalogue_id": "S030", "source_key": "orgelarchiv_schmidt", "name": "Orgel-Archiv Schmidt", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Andreas Schmidt; Stefan Weyreder", "scope_description": "Germany, Switzerland, Austria and further country sections", "documentary_unit": "Organ profile", "source_description": "The site's history traces the family archive to Horst Schmidt in 1972 and its continuation by Andreas Schmidt from 1995. Andreas Schmidt and Stefan Weyreder established the website. The account stresses personal inspection and the identification of reliable external sources.", "source_description_references": [ "orgelarchiv_schmidt", "orgelarchiv_about", "record_orgelarchiv_schmidt" ], "interpretation": "This stated editorial practice is relevant to source criticism, but it is not an independent accuracy audit. Instrument-level credits and inspection dates are still needed when using an entry as evidence.", "rights_observation": "The website marks content as protected; no general open licence was established.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "orgelarchiv_schmidt", "orgelarchiv_about", "record_orgelarchiv_schmidt" ], "observation_date": "2026-09-10", "selected_document": { "reference": "record_orgelarchiv_schmidt", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "native_form": "Contributed organ article with labelled location fields and distinct history sections", "repeated_information": "Manual/pedal stop groups, playing aids, building history and source credits.", "date_and_state_distinctions": "Organ history, church history, inspection year and condition date are separately stated.", "interpretive_limit": "The example distinguishes planned but unbuilt stops from installed stops. Vacancies must not be counted as sounding registers.", "observations": [ "Church, denomination, place and administrative geography are labelled.", "Builders are named in the organ chronology.", "Dated construction, rebuilding and damage history.", "Stop groups explicitly include vacant positions.", "Division headings include key ranges.", "Historical action and windchest type are specified.", "Detailed controls and console fittings are described.", "A dated statement says the selected organ is unplayable.", "Photographic gallery and named contributor.", "Sources distinguish on-site inspection from published building history.", "A referenced heritage article is linked.", "Named author and inspection year are attached to the contribution." ], "uninspected_or_unfilled_material": [], "narrative": "The Mansfeld account separates organ and building histories and identifies inspection and source credits. The specification includes vacant positions for stops planned but not built. A dated statement describes the organ as unplayable. Vacancies should not enter a count of sounding registers, and the reported condition should retain its inspection date." } }, { "catalogue_id": "S031", "source_key": "orgeldb_bayern", "name": "Orgeldatenbank Bayern", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Michael Bernhard (editor); Gesellschaft für Bayerische Musikgeschichte e.V. (original publisher)", "scope_description": "Bavaria; version 5, 2009", "documentary_unit": "Historical database record, including successive descriptions", "source_description": "The portal serves an authorised copy of the 2009 database, described as exceeding 30,000 records with roughly 10,000 stoplists. It adds location matching using Wikipedia, Wikidata and OpenStreetMap and explicitly warns that some instruments labelled extant no longer survive in that form.", "source_description_references": [ "orgeldb_bayern", "record_orgeldb_bayern" ], "interpretation": "Database date and later geolocation are separate provenance layers. The record total cannot be read as a count of present organs. Treat apparent current-state statements as historical until corroborated.", "rights_observation": "Permission to host the copy is stated; this is not a blanket permission for third-party redistribution.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "orgeldb_bayern", "record_orgeldb_bayern" ], "observation_date": "2026-09-10", "selected_document": { "reference": "record_orgeldb_bayern", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "native_form": "CGI database record combining historical text fields with later geographic links", "repeated_information": "Compact work statement, manual/register summary and inline division stoplists.", "date_and_state_distinctions": "Version 5 (2009) is the underlying documentary state; geographic enrichment is a separate layer.", "interpretive_limit": "The example URL identifier and displayed source record number differ. Neither should silently replace the other.", "observations": [ "Postal place, district, administrative region, church and street address.", "Coordinates and Wikidata/OpenStreetMap references are displayed.", "Named builder associated with a work entry.", "New-build year and retained/extant status accompany the record.", "Stops are written inline by division.", "Manual divisions and a manual/register summary are present.", "Windchest and mechanical-action description.", "Case style and couplers/playing aids are stated.", "Historical retained/extant label is displayed.", "Bibliographic source with year and page plus source record number.", "Wikidata, Wikipedia and map links accompany the record.", "The source version is identified as 2009." ], "uninspected_or_unfilled_material": [], "narrative": "The selected record combines a compact work statement and inline division specification with bibliographic and geographical links. The number displayed as the source record number differs from the identifier in the URL. Both should be retained with their roles rather than silently substituting one for the other. Later geographic enrichment does not redate the underlying 2009 database." } }, { "catalogue_id": "S032", "source_key": "orgeldoc", "name": "Orgeldokumentationszentrum HSLU", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Hochschule Luzern; Zentral- und Hochschulbibliothek Luzern", "scope_description": "Swiss organ culture and associated archival collections", "documentary_unit": "Organ record linked to institutional documentation", "source_description": "HSLU dates the Orgeldokumentationszentrum's activity as a competence centre to 2007-2025. Following Marco Brandazza's retirement in September 2025, the university maintains access to the organ database and catalogued archives. Its statement says that funding currently prevents additional inventory and publication projects.", "source_description_references": [ "orgeldoc", "hslu_status", "record_orgeldoc" ], "interpretation": "Institutional continuity of access must be distinguished from continued expansion. The physical archives, library holdings and online organ database are related but different research objects. Cite the relevant catalogue or record for individual holdings.", "rights_observation": "Continued access is promised; a general redistribution licence for the database and archives was not established.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "orgeldoc", "hslu_status", "record_orgeldoc" ], "observation_date": "2026-09-10", "selected_document": { "reference": "record_orgeldoc", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "native_form": "JSON detail endpoint with nested location, builder, organ and specification objects", "repeated_information": "Specification array contains divisions; each division contains register entries and comments.", "date_and_state_distinctions": "Work year and last-change date are distinct keys.", "interpretive_limit": "Some keys have null values. Register comments preserve materials, construction and compass-dependent exceptions.", "observations": [ "Building, building part, locality and canton are populated.", "Builder, measure and year are separate attributes.", "New-build activity and year are populated.", "Register objects are nested under division objects.", "Manual and pedal range strings are supplied.", "Separate key and stop actions.", "Pitch with temperature and tuning-system fields.", "Bellows arrangement and wind-pressure value.", "Playing aids and a detailed comment are populated.", "A last-change date is supplied." ], "uninspected_or_unfilled_material": [], "narrative": "Detail 17202 is returned as nested JSON for location, builder, organ and specification. Divisions contain register entries and comments; technical fields include action, tuning, wind and playing aids. Some keys are null. Register comments contain details that are not represented by the register name alone. The work year and last-change date are distinct attributes; reported measurements were not independently checked against the instrument." } }, { "catalogue_id": "S033", "source_key": "orgelsachsen", "name": "Orgeldatenbank Sachsen", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Hochschule für Musik Carl Maria von Weber Dresden", "scope_description": "Present-day Saxony, including historical instruments no longer extant", "documentary_unit": "Regional organ inventory record", "source_description": "The source describes a project founded in autumn 2015 with Protestant and Catholic church partners. It estimates approximately 3,500 known organs, including lost instruments, and about 2,500 surviving organs in Saxony.", "source_description_references": [ "orgelsachsen", "record_orgelsachsen" ], "interpretation": "These estimates describe the regional population, not a verified number of records exposed by the portal. Its territorial scope also differs from the church-owned instruments addressed by ORKASA, despite overlap between the two resources.", "rights_observation": "The university project displays copyright; no general open licence was established.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "orgelsachsen", "record_orgelsachsen" ], "observation_date": "2026-09-10", "selected_document": { "reference": "record_orgelsachsen", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "native_form": "Regional article with labelled organ description and historical specifications", "repeated_information": "Separate division tables for the later instrument and an earlier predecessor.", "date_and_state_distinctions": "The selected page contains an 1825 predecessor and a 1905 replacement, with a specification after a 1971 alteration.", "interpretive_limit": "Several technical labels are blank. A field heading is not a populated measurement.", "observations": [ "Street address and locality are given.", "A location-map link is supplied.", "Predecessor and successor builders are distinguished.", "Replacement and later redisposition are dated.", "Two historical configurations have separate stoplists.", "Manual/pedal divisions are explicit; exact key compasses are not given here.", "Couplers and ancillary controls are listed.", "The predecessor is explicitly described as no longer surviving.", "Bibliographic citation includes a page locator." ], "uninspected_or_unfilled_material": [ "Windchest and action labels exist, but no values appear in the selected record.", "Pitch label is present without a value.", "Gallery and image-credit headings exist without a verified image item." ], "narrative": "The Ablaß article contains separate specifications for a predecessor and a later instrument, including a later redisposition. Several action, windchest and pitch labels are unfilled. The specification headings therefore do not establish populated technical measurements. The predecessor is described as no longer surviving, which must not be transferred to the later instrument." } }, { "catalogue_id": "S034", "source_key": "orgelseite", "name": "Die Orgelseite", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Die Orgelseite", "scope_description": "International", "documentary_unit": "Organ profile with photographs and specification", "source_description": "The home page reported 6,622 organs in 83 countries and an update date of 5 September 2026. The imprint distinguishes public access from subscription and music-download areas and acknowledges photographs supplied by organ builders and other contributors.", "source_description_references": [ "orgelseite", "orgelseite_imprint", "record_orgelseite_list" ], "interpretation": "These totals are publisher statements. They do not measure data completeness or unrestricted access. The operator's name was not present in the retrieved imprint text, so the citation uses the publication title.", "rights_observation": "Text and photographs are described as copyrighted; contributed photographs may retain third-party rights.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "orgelseite", "orgelseite_imprint", "record_orgelseite_list" ], "observation_date": "2026-09-10", "selected_document": { "reference": "record_orgelseite_list", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "native_form": "Filterable multi-record HTML table with links to specifications, photographs and music", "repeated_information": "One table row per listed organ, with optional columns for ranks, stops, pipes and documentary sources.", "date_and_state_distinctions": "Build-year ranges, information stand and last-update fields are distinct. Historical stoplists are counted separately.", "interpretive_limit": "Displayed row number is an ordering position, not an established persistent organ identifier. Extensions, transmissions and digital additions are separate columns.", "observations": [ "Country, region, city and venue are populated in the organ table.", "Rows link to organ locations on maps.", "Builder names and year ranges are table columns.", "Build-year ranges represent documentary chronology, without an explicit event model in this table.", "Manual counts are tabulated.", "Rows identify publications, direct contacts and other websites.", "Rows link to specification, gallery and external source pages.", "Information stand and last-update are offered as separate optional columns." ], "uninspected_or_unfilled_material": [ "Specification links are present; linked stoplist files were not opened.", "Image and gallery links are present; their payloads were not inspected.", "CD and MP3 columns link to the separate music catalogue." ], "narrative": "The inspected list presents organs in rows with filters and optional columns. Stops, ranks, extensions, transmissions and digital additions are distinguished, and rows link to specifications, images, maps and music. Documentary sources and update-related fields are also exposed. Linked media and specification files were not opened in this check. A displayed row position was not established as a persistent organ identifier." } }, { "catalogue_id": "S035", "source_key": "orgelsite", "name": "Orgelsite NL", "selection_role": "registered_source", "parent_source_key": null, "attribution": "de Orgelsite / orgelsite.nl", "scope_description": "International; Dutch, German and English introductory text", "documentary_unit": "Organ webpage with photographs and search tags", "source_description": "The site reports approximately 35,000 organs and offers searches by place, builder, year and manual count. It accepts contributed photographs and explicitly reserves copyright in photographs, with exceptions identified for Wikimedia and YouTube material.", "source_description_references": [ "orgelsite", "record_orgelsite" ], "interpretation": "The approximate total is not an independently enumerated corpus. Tags aid discovery but should not be mistaken for controlled authority records. Photograph authorship needs item-level treatment.", "rights_observation": "The page requires prior written permission from the webmaster and photographer for republication of copyrighted photographs.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "orgelsite", "record_orgelsite" ], "observation_date": "2026-09-10", "selected_document": { "reference": "record_orgelsite", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "native_form": "Tagged organ article with contributed photography, historical prose and specification", "repeated_information": "Narrative chronology followed by division-based stop paragraphs and coupling list.", "date_and_state_distinctions": "Historical instrument years, photo years and publication/update dates are different attributes.", "interpretive_limit": "The named author of the specification can differ from the page author and photographers.", "observations": [ "Place, church and region are identified.", "Successive builders and restorers are named.", "Construction, replacement and restoration chronology.", "Stops are grouped in division paragraphs.", "Division ranges and note counts are supplied.", "Mechanical action and slider chests are described.", "A dated re-leathering of reservoir bellows is recorded.", "Case alteration and added performance controls are described.", "Surviving older case is distinguished from the replacement instrument.", "Multiple photographs have named authors and dates.", "The specification is attributed to a named contributor and website.", "Contributor website and taxonomic tags are linked.", "Page author, publication/update dates and photo credits are separate." ], "uninspected_or_unfilled_material": [], "narrative": "The Dordrecht article combines photographs, a dated organ history and specifications grouped by division. It distinguishes a surviving earlier case from the replacement instrument and records later work. The credited specification contributor, page author and photographers need not be the same person. Publication, update and photograph dates therefore serve different purposes." } }, { "catalogue_id": "S036", "source_key": "orgelverzeichnis_ch", "name": "Orgelverzeichnis Schweiz / Liechtenstein", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Peter Fasler; François Comment / Orgelverzeichnis Schweiz", "scope_description": "Switzerland and Liechtenstein", "documentary_unit": "Organ profile with dated specification", "source_description": "The rights statement credits information to congregations, builders, archives and contributors, with much fieldwork undertaken by Peter Fasler and François Comment. Individual profiles identify their information or image suppliers.", "source_description_references": [ "orgelverzeichnis_ch", "swiss_rights", "record_orgelverzeichnis_ch" ], "interpretation": "Preserve the profile's state date and the contributor attached to a specification. The legacy MAGIX address in Aggregator's investigation audit is an earlier location, not a second independent source.", "rights_observation": "The policy permits specified non-commercial uses, requires visible source and item credits, and requires permission for commercial use. It also preserves rights in contributed images.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "orgelverzeichnis_ch", "swiss_rights", "record_orgelverzeichnis_ch" ], "observation_date": "2026-09-10", "selected_document": { "reference": "record_orgelverzeichnis_ch", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "native_form": "Compact static profile with technical summary, specification and dated narrative", "repeated_information": "Label-value technical fields followed by stop rows and playing aids.", "date_and_state_distinctions": "Construction year and documentary stand date are separate.", "interpretive_limit": "Supplier credits for information and images are distinct; the stand date limits claims of currency.", "observations": [ "Institution, locality and canton are given.", "Builder and build year are populated.", "The construction is described in a dated note.", "Three named stops with pitches are tabulated.", "Manual compass is given.", "Separate action and windchest attributes.", "A transposition mechanism is described with two reference pitches.", "Retractable keyboard and transposition device are listed.", "Photograph is credited to an organ builder.", "Information supplier is named.", "Links connect regional lists, builders and HSLU.", "Information reference date and separate information/image credits." ], "uninspected_or_unfilled_material": [], "narrative": "The Aarau profile supplies a compact technical summary and three-stop specification with keyboard range and a transposition arrangement. An information reference date and separate information and image credits are given. That date limits a claim about currency; the photograph supplier is not automatically the author of the specification." } }, { "catalogue_id": "S037", "source_key": "orguesch", "name": "OrguesCH", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Orgues.ch", "scope_description": "Selected Swiss construction, restoration and revision projects", "documentary_unit": "Project or instrument presentation", "source_description": "The current home page describes organ consultancy and coordination and presents nearly 60 instruments built, restored or revised with partner builders. It also advertises other activities, including Allen Organs representation.", "source_description_references": [ "orguesch", "record_orguesch" ], "interpretation": "This is a selected project portfolio rather than a Swiss national inventory. Its commercial and collaborative context belongs in the source description. The current presentation should not inherit the broader implications of an older generic database label.", "rights_observation": "The current page states that all rights are reserved.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "orguesch", "record_orguesch" ], "observation_date": "2026-09-10", "selected_document": { "reference": "record_orguesch", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "access_finding": "The inherited detail route returned an organ-not-found message despite HTTP 200. This does not establish that the portfolio or instrument has disappeared." } }, { "catalogue_id": "S038", "source_key": "orguesfrance", "name": "Orgues France", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Orgues en France et dans le monde", "scope_description": "France and other countries", "documentary_unit": "Compiled organ profile", "source_description": "The personal site's introduction says that it has collected information from the web since 2008. On 10 September 2026 it reported more than 3,700 pipe organs in 38 countries. It also offers multilingual stop-name and organ-term aids.", "source_description_references": [ "orguesfrance", "record_orguesfrance" ], "interpretation": "Its explicit compilation from other websites makes source dependence a central issue. Agreement between compiled websites does not, by itself, establish independent corroboration; the cited antecedents must be examined. The two Orguesfrance entries in the investigation audit are one registered source.", "rights_observation": "No general open licence was established from the consulted home page.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "orguesfrance", "record_orguesfrance" ], "observation_date": "2026-09-10", "selected_document": { "reference": "record_orguesfrance", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "native_form": "Static compiled organ profile with metadata block, narrative and linked specification/media", "repeated_information": "Geographic/building/builder fields precede history and technical material.", "date_and_state_distinctions": "Page creation/update dates are separate from instrument construction and relocation events.", "interpretive_limit": "The profile discusses predecessor instruments in the same institution. Media and specification may be separate linked assets.", "observations": [ "Country, region, department, city and venue are labelled.", "Builder and construction year are labelled.", "A dated account covers predecessors and the new concert organ.", "Different actions of the two consoles are described.", "Variable wind pressure and high-pressure stops are discussed.", "Two-console arrangement and performance controls are described.", "Map, photograph, specification and video links are supplied.", "Page creation and update dates are explicit." ], "uninspected_or_unfilled_material": [ "External video presentations are linked; their contents were not inspected.", "Specification is offered as linked material; a text stoplist was not observed in this response.", "Photograph links are present; their contents were not separately inspected." ], "narrative": "The Radio France profile combines labelled location and builder information with a historical narrative that includes predecessor instruments. Technical discussion describes two consoles and wind arrangements. Specifications, photographs and videos are offered through links whose contents were not separately inspected. Page creation and update dates are distinct from the events described in the organ history." } }, { "catalogue_id": "S039", "source_key": "oswa", "name": "OSWA Pipe Organs in Western Australia", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Organ Society of Western Australia", "scope_description": "Western Australia", "documentary_unit": "Regional organ profile", "source_description": "The society describes preservation and advisory work on Western Australia's organ heritage and links to its pipe-organ directory. Its wider remit also includes electronic and hybrid instruments.", "source_description_references": [ "oswa", "record_oswa" ], "interpretation": "Aggregator's pipe-organ selection should be distinguished from the society's complete activities. State-level profiles can complement OHTA, but overlapping coverage must be checked at the instrument and documentary-source level.", "rights_observation": "The society displays an all-rights-reserved notice; no general reuse licence was established.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "oswa", "record_oswa" ], "observation_date": "2026-09-10", "selected_document": { "reference": "record_oswa", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "native_form": "Gazetteer form with property, previous-organ, present-organ and document-control blocks", "repeated_information": "Label-value fields, division stop rows and repeated dated work narratives.", "date_and_state_distinctions": "Previous organs, current organ, relocation dates and document-control dates are separate.", "interpretive_limit": "Many form labels are unfilled. The existence of a wind-pressure or heritage-number field does not establish a value.", "observations": [ "Institution, street, city, state, country and room fields.", "Named maker and completion/installation year.", "Original installation, relocation and later work are separately described.", "Division stop rows with pitch and total stops/ranks/pipes.", "Divisions and manual count are populated; key-compass fields are blank.", "Key and stop actions are separately populated.", "Placement, open casework and console configuration are supplied.", "The organ is described as in use and in good condition.", "Photographs have named contributors.", "Gazetteer editions are cited in document control.", "Comparable instrument and builder links.", "Document control identifies original entries, contributor and revision dates." ], "uninspected_or_unfilled_material": [ "A wind-pressure label is present without a value." ], "narrative": "The Albany entry uses a form with property, previous-organ, present-organ and document-control sections. It describes relocation and later work and gives a division specification. Some technical labels, including wind pressure and key compass, are unfilled. The form structure is evidence of what can be recorded; it is not evidence that every entry supplies a value." } }, { "catalogue_id": "S040", "source_key": "pcorgan_hauptwerk_samplesets", "name": "PCorgan Hauptwerk Sample Set Registry", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Gert van Ginkel / PCorgan", "scope_description": "Mainly church-organ sample sets for Hauptwerk", "documentary_unit": "Comparative sample-set table row", "source_description": "The comparison table records product, producer, style, size, indicative price and technical characteristics. It defines its memory column as a particular Hauptwerk-plus-set loading scenario. The author explains the site's church-organ focus and discloses receiving sets for review or beta testing.", "source_description_references": [ "pcorgan_hauptwerk_samplesets", "pcorgan_about" ], "interpretation": "The visible prices are explicitly indicative and may be outdated. Memory values are not interchangeable with download sizes or modern maximum-memory configurations. This source is a comparative index, not the producer's release record.", "rights_observation": "Copyright is asserted; permissions for linked audio and products remain with their respective sources.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "pcorgan_hauptwerk_samplesets", "pcorgan_about" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S041", "source_key": "piotr_grabowski_go_versions", "name": "Piotr Grabowski GrandOrgue Versions", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Piotr Grabowski", "scope_description": "GrandOrgue versions of the producer's sample sets", "documentary_unit": "GrandOrgue conversion or compatibility record", "source_description": "The page documents installation, patching and feature differences between GrandOrgue and Hauptwerk versions. It states that some features are absent and that presentation videos were recorded using Hauptwerk.", "source_description_references": [ "piotr_grabowski_go_versions" ], "interpretation": "Shared recordings do not imply identical software behaviour. Link a GrandOrgue version to the corresponding product while preserving format, release and known limitations. This key and the instruments catalogue share a producer and much underlying material.", "rights_observation": "Software conversion information does not establish permission to redistribute the underlying recordings.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "piotr_grabowski_go_versions" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S042", "source_key": "piotr_grabowski_instruments", "name": "Piotr Grabowski Hauptwerk Instruments", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Piotr Grabowski", "scope_description": "International product catalogue with paid, free and unreleased entries", "documentary_unit": "Instrument-based sample-set product", "source_description": "Catalogue cards expose builder, date, stops and keyboard counts. Free products and unreleased entries are marked separately. The list also contains a harmonium, so the producer's instrument catalogue is broader than pipe organs alone.", "source_description_references": [ "piotr_grabowski_instruments" ], "interpretation": "Preserve release status and instrument type. The card's construction date belongs to the represented instrument, not automatically to the sample set. Duplicate discovery through other registries should resolve to a product record rather than another physical organ.", "rights_observation": "The producer asserts copyright; free products still require their own licence check.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "piotr_grabowski_instruments" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S043", "source_key": "pipedreams", "name": "Pipedreams Organ Gallery", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Pipedreams", "scope_description": "Instruments documented in a broadcasting context", "documentary_unit": "Organ-gallery profile linked to programme and performance material", "source_description": "The live site is organised around programmes and performances, with dated episodes and related material. Aggregator selects organ-gallery information from that broader broadcasting resource.", "source_description_references": [ "pipedreams", "selection_scope", "record_pipedreams" ], "interpretation": "The recording, programme, performer and instrument are different entities. A programme's publication date cannot be assigned as a date for an organ's construction or documented specification. The inspected homepage does not establish an exhaustive inventory of organs.", "rights_observation": "Streaming or linking to a programme does not establish permission to redistribute its audio.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "pipedreams", "selection_scope", "record_pipedreams" ], "observation_date": "2026-09-10", "selected_document": { "reference": "record_pipedreams", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "native_form": "Organ-gallery hub connecting an instrument to broadcast programmes and external documents", "repeated_information": "Related-document links followed by many programme cards.", "date_and_state_distinctions": "The instrument construction year in the title differs from broadcast episode dates.", "interpretive_limit": "A gallery page primarily aggregates performance context. Linked specifications were not downloaded.", "observations": [ "Concert venue, city and country are in the title.", "Manufacturer and construction year are in the title.", "A manufacturer PDF and an external organ account are linked.", "Venue, manufacturer and organ-description links are present." ], "uninspected_or_unfilled_material": [ "Specification is linked as an external manufacturer PDF, not transcribed in the inspected page.", "Programme cards establish a route to broadcasts; audio files were not inspected." ], "narrative": "The Calgary gallery page identifies an instrument and links it to programme cards, a manufacturer document and another organ account. The external specification and audio were not inspected. The page is useful as a route to performance and documentary material, but its programme dates do not date the organ specification." } }, { "catalogue_id": "S044", "source_key": "pipeorganmap", "name": "Pipe Organ Map", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Leif-Erik Hallmann / Pipe Organ Map", "scope_description": "International map and database", "documentary_unit": "Organ record linked to builders and sample-set creators", "source_description": "The site combines map-based discovery with organ, builder and sample-set-creator records and links to API documentation. Its footer identifies Leif-Erik Hallmann and labels content CC BY-SA 4.0.", "source_description_references": [ "pipeorganmap", "record_pipeorganmap" ], "interpretation": "The explicit separation of builders and sample-set creators supports cross-domain links. Map coordinates and popular-organ selections should not be treated as measures of historical coverage. Any claim imported from another source still needs its attribution.", "rights_observation": "The footer states CC BY-SA 4.0 for content; third-party material requires its own credit and scope check.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "pipeorganmap", "record_pipeorganmap" ], "observation_date": "2026-09-10", "selected_document": { "reference": "record_pipeorganmap", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "native_form": "Linked organ profile with metadata, division stop table, map and source links", "repeated_information": "Stop divisions, nearby instruments, same-builder instruments and similarity suggestions.", "date_and_state_distinctions": "Build year and narrative interventions coexist with a version-history link.", "interpretive_limit": "Sample-set suggestions are recommendation links, not proof of sampled-instrument identity. Only the pipe-organ record is included here.", "observations": [ "Street address, city and country are supplied.", "Map and distance-based neighbouring instruments are displayed.", "Builder is a linked entity.", "Dated narrative distinguishes installation and later relocations.", "Named divisions contain stop names and pitches.", "Division count and manual/pedal grouping are supplied.", "Key action is a labelled attribute; prose also describes stop action.", "Tuning is a labelled attribute.", "Case and console arrangement are described in prose.", "The record cites Musique et musiciens and INdO.", "Related instrument, builder and upstream record links are explicit.", "A version-history route is exposed." ], "uninspected_or_unfilled_material": [ "The selected record explicitly states that no video/audio samples are available." ], "narrative": "The selected Lille record combines technical attributes, a division stoplist, narrative, map and explicit upstream source links. Nearby and similar instruments are offered as discovery routes. Sample-set recommendations do not establish that a product was recorded from this organ. The page explicitly reported no available audio/video samples for this record; no source-wide absence follows." } }, { "catalogue_id": "S045", "source_key": "ridim_iconography", "name": "RIdIM Music Iconography", "selection_role": "registered_source", "parent_source_key": null, "attribution": "RIdIM Germany / Bayerische Staatsbibliothek", "scope_description": "Visual representations of music and instruments", "documentary_unit": "Music-iconography catalogue record", "source_description": "The configured endpoint is the German RIdIM catalogue on musiconn, with basic and advanced searching. Its interface credits the Bayerische Staatsbibliothek and attaches specific licences to displayed collection images.", "source_description_references": [ "ridim_iconography", "ridim_imprint" ], "interpretation": "A depicted organ is not a surviving instrument record. Object identifier, holding institution, creator, date and depicted subject must remain distinct. The endpoint should not be cited as though it covered every international RIdIM database.", "rights_observation": "Displayed images carry different licences. A licence beside one illustration does not cover the entire catalogue.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "ridim_iconography", "ridim_imprint" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S046", "source_key": "sakralorgelforum", "name": "Sakralorgelforum", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Sakralorgelforum", "scope_description": "Sacred music, organs, playing, liturgy and community discussion", "documentary_unit": "Discussion thread and dated post", "source_description": "The public index includes instrument and musical discussions alongside liturgy, community and marketplace sections. It exposes recent activity and topic counts, but these interface statistics do not establish a complete exportable corpus.", "source_description_references": [ "sakralorgelforum" ], "interpretation": "Discussion is useful for discovery and reception research. Assertions about instruments need attribution to the particular post and corroboration appropriate to the question. Participant prose and personal labels are excluded from this package.", "rights_observation": "No general permission to redistribute posts or attachments was established.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "sakralorgelforum" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S047", "source_key": "sonora", "name": "SONORA", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Göteborg International Organ Academy Association; University of Gothenburg / GRIDH", "scope_description": "Swedish historical organs, primarily preserved instruments built before the 1860s", "documentary_unit": "Archival item linked to organ, building, place or builder", "source_description": "SONORA makes material from six Swedish archives accessible through map, gallery and archive views. Its stated selection follows Einar Erici's inventory and requires substantial original construction to survive; organs retaining only a facade are excluded.", "source_description_references": [ "browser_sonora", "sonora_project", "record_sonora" ], "interpretation": "This survival criterion matters in comparison with inventories that include lost instruments. Archive, series and item references should accompany organ links. The portal's research-project link returned 404 even though the database interface remained accessible.", "rights_observation": "A CC BY 4.0 notice accompanies a specific linked text; no single licence for all six archives was established.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "browser_sonora", "sonora_project", "record_sonora" ], "observation_date": "2026-09-10", "selected_document": { "reference": "record_sonora", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "native_form": "JSON response linking an organ/work record to place, historical activities and archival documents", "repeated_information": "Numbered activity objects and document objects accompany technical fields; specification is an embedded HTML fragment.", "date_and_state_distinctions": "Historical activities use separate organ/work identifiers, dates and agents for one place.", "interpretive_limit": "The JSON mixes record types and embeds HTML. A document count does not prove that document images were inspected.", "observations": [ "Place name and a distinct place identifier are returned.", "Historical maker and later intervention agents are represented.", "Construction, redisposition, restoration and inventory have separate activity records.", "Embedded HTML contains division stop names and pitches.", "Manual and pedal compasses are included in the specification fragment.", "Separate key and stop action fields are populated.", "Bellows type, quantity and descriptive text are populated.", "Console position and surviving facade-pipe information are present.", "Six archival document references include archive names and item identifiers.", "Historical activity records link to separate organ/work identifiers." ], "uninspected_or_unfilled_material": [], "narrative": "The inherited GOArt endpoint for work 14303 returns numbered historical activities and archival references alongside technical fields. Different work identifiers relate to one place, and the specification is embedded as HTML in the JSON response. The returned archival item references were inspected as metadata; document images were not examined. Place, work and document identifiers must not be collapsed into one record unit." } }, { "catalogue_id": "S048", "source_key": "sonus_paradisi_free_stuff", "name": "Sonus Paradisi Free and Demo Sample Sets", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Sonus Paradisi", "scope_description": "Selected subset of a wider commercial organ catalogue", "documentary_unit": "Free or demonstration product announcement", "source_description": "Aggregator targets the producer's Free Stuff blog category rather than the entire shop. The page sits within a catalogue organised by country and instrument, including full products outside the targeted category.", "source_description_references": [ "sonus_paradisi_free_stuff" ], "interpretation": "Navigation links must not be counted as products in the selected collection. A demonstration's stop selection and release date belong to that edition, and should not be inherited from the corresponding full sample set.", "rights_observation": "The category name establishes neither a standard open licence nor unrestricted redistribution of samples.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "sonus_paradisi_free_stuff" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S049", "source_key": "sourceforge_ourorgan_samplesets", "name": "SourceForge GrandOrgue Sample Sets", "selection_role": "registered_source", "parent_source_key": null, "attribution": "GrandOrgue project contributors", "scope_description": "Former GrandOrgue list on SourceForge", "documentary_unit": "Historical sample-set directory entry", "source_description": "The page explicitly says that it is no longer maintained and directs readers to the GrandOrgue GitHub wiki for the current list. It retains free/demo entries and definition files for commercial sets.", "source_description_references": [ "sourceforge_ourorgan_samplesets" ], "interpretation": "Keep this as a historical version and record its successor relationship. Counting it alongside the GitHub list as an independent current catalogue would duplicate much of the evidence and misstate maintenance status.", "rights_observation": "The page directs readers to individual agreements; the listed sample sets have no common licence established here.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "sourceforge_ourorgan_samplesets" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S050", "source_key": "varhany", "name": "Varhany", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Štěpán Svoboda", "scope_description": "Czech Republic", "documentary_unit": "Linked organ, builder, specification, photograph or literature record", "source_description": "The author dates the private database to 1998 and its web publication to 2005. The about page describes literature, archival work and instrument inspection as inputs, with checked contributions rather than unrestricted direct editing. Some scanned literature is deliberately non-public.", "source_description_references": [ "varhany", "varhany_about", "record_varhany" ], "interpretation": "Its separation of evidence sources is useful for tracing assertions. The site itself says that current-condition information is indicative and often based on literature. Such information needs its documentary date before use as a present-state observation.", "rights_observation": "Copyright is asserted and some supporting scans are restricted; a general redistribution licence was not established.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "varhany", "varhany_about", "record_varhany" ], "observation_date": "2026-09-10", "selected_document": { "reference": "record_varhany", "observation_date": "2026-09-11", "selection": "Inherited dossier example; the Orgelseite list was an additional page reached from its homepage. No representative sample is claimed.", "native_form": "Place-centred database page with event rows and expandable specifications", "repeated_information": "Each dated work row associates a builder, activity, specification/literature flags, cost and status.", "date_and_state_distinctions": "Many historical interventions occur within one place record, including predecessor and replacement instruments.", "interpretive_limit": "Not every event has a stoplist. Event rows, organ identities and specification counts are different units.", "observations": [ "Place and church identify the record.", "Nearby organs are listed with distances and linked places.", "Builders appear in dated work rows.", "Repeated work rows contain dates, activities and occasional costs.", "A historical work row expands to a manual/pedal specification.", "Manual/pedal grouping and compact division/stop counts are supplied.", "Literature links are attached to individual work rows.", "Builders, literature and nearby places have separate links.", "A page-update timestamp is displayed." ], "uninspected_or_unfilled_material": [ "Status codes occur in the work rows, but their meaning was not established here; no condition classification is assigned." ], "narrative": "The selected place record arranges dated interventions in rows, with builders, activities, occasional costs and links to literature. A historical work row expands to a manual-and-pedal specification. Not every work event has a stoplist. Status codes appear, but their meaning was not established in this review; no condition classification is assigned to them." } }, { "catalogue_id": "S051", "source_key": "vi_control", "name": "VI-Control", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Frederick Russ / VI-Control", "scope_description": "Broad composer and music-production community; organ material is a subset", "documentary_unit": "Virtual-instrument discussion post or thread", "source_description": "The introduction names Frederick Russ and describes a community for composers, producers and developers of virtual instruments. Organ discussions are selected from this much broader subject range.", "source_description_references": [ "vi_control" ], "interpretation": "Mentions of organ libraries can reveal terminology and user experience. They cannot establish product specifications without identifying the post, product version and relevant producer evidence. Global traffic statements are not counts of organ-related material.", "rights_observation": "No general licence for redistributing discussions or participant data was established.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "vi_control" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S052", "source_key": "virtual_pipe_organs_free_producers", "name": "Virtual Pipe Organs Free Sample Sets and Producers", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Virtual Pipe Organs", "scope_description": "Selected free sample sets and discovery resources", "documentary_unit": "Curated recommendation or producer link", "source_description": "The page expressly describes its selection as non-exhaustive and directs readers to favourite sets, producers and other indexes. Some commentary refers to the producer landscape in early 2020.", "source_description_references": [ "virtual_pipe_organs_free_producers", "vpo_about" ], "interpretation": "This is a dated curatorial selection. Its producer totals and availability statements should not be used as current market statistics. It overlaps with the GrandOrgue lists and with separately registered producer catalogues.", "rights_observation": "The page points to third-party products; permissions must be established at those products.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "virtual_pipe_organs_free_producers", "vpo_about" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S053", "source_key": "virtual_pipe_organs_odfs", "name": "Virtual Pipe Organs ODFs For GrandOrgue", "selection_role": "registered_source", "parent_source_key": null, "attribution": "Virtual Pipe Organs", "scope_description": "GrandOrgue adaptations of selected plain-wave commercial sample sets", "documentary_unit": "Organ definition file for external sample recordings", "source_description": "The page explains that an ODF supplies the structure needed to play compatible recordings in GrandOrgue and links to adaptations for selected commercial sample sets. It distinguishes the definition file from the underlying recording material.", "source_description_references": [ "virtual_pipe_organs_odfs", "vpo_about" ], "interpretation": "Preserve the dependency on the exact external sample set. An ODF is not a complete audio library, and a downloadable ODF cannot be counted as an independently sampled organ.", "rights_observation": "The definition file and recordings require separate permissions; free access to one does not cover the other.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "virtual_pipe_organs_odfs", "vpo_about" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S054", "source_key": "score_pdmx", "name": "PDMX Public Domain MusicXML", "selection_role": "score_collection", "parent_source_key": "digital_sheet_music", "attribution": "Phillip Long; Zachary Novack; Julian McAuley; Taylor Berg-Kirkpatrick", "scope_description": "PDMX v9; broad music corpus with organ-relevant subsets", "documentary_unit": "Dataset row and associated symbolic or rendered files", "source_description": "The pinned Zenodo record is version v9, published 1 June 2025. Its description reports 31,221 records with conflicting public and embedded licence metadata and recommends the no_license_conflict subset. It separately identifies files that could not be converted from corrupted originals.", "source_description_references": [ "score_pdmx" ], "interpretation": "Retain the version DOI, row identifier, conflict flag and file format. An organ subset must be defined reproducibly; the full dataset size is not a count of organ scores. The authors request citations to both their paper and their collaborators' paper when the dataset is used.", "rights_observation": "The record carries CC BY 4.0 and reports item-level licence conflicts; its title is not proof that every file is free of conflicting claims.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "score_pdmx" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S055", "source_key": "score_orgelbuechlein", "name": "Little Organ Book / Orgelbuechlein Dataset", "selection_role": "score_collection", "parent_source_key": "digital_sheet_music", "attribution": "H. Asai; Y. Gao; S. Shimosaka; S. Tojo; Y. Uehara", "scope_description": "Bach's Orgelbüchlein", "documentary_unit": "Encoded score and harmonic-analysis version", "source_description": "The repository provides MusicXML, PDF and Roman-numeral-text material. It identifies Pierre Gouin's 2008 edition as the score source and credits the 2022 conversion, editing and annotation. Its harmonic analysis is presented as an interpretation, and a revised BWV 621 text analysis coexists with the earlier version.", "source_description_references": [ "score_orgelbuechlein" ], "interpretation": "Cite the edition, encoding and analysis separately. Corrected notation and harmonic labels are editorial contributions rather than a direct transcription of compositional intent. Pin a commit and file path for repeatable analysis.", "rights_observation": "The README states CC BY-NC 3.0 and identifies the original edition and adaptation credits.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "score_orgelbuechlein" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S056", "source_key": "score_imslp_wima", "name": "IMSLP / Werner Icking Music Collection", "selection_role": "score_collection", "parent_source_key": "digital_sheet_music", "attribution": "IMSLP / Petrucci Music Library; Werner Icking Music Archive contributors", "scope_description": "Broad score collections; organ-relevant selections", "documentary_unit": "Edition or file attached to a work page", "source_description": "Aggregator groups IMSLP and WIMA under one collection key and uses selected work pages. The MusicXML resource directory notes that the Werner Icking archive merged with IMSLP while its original site remains available.", "source_description_references": [ "score_imslp_wima", "digital_sheet_music", "repo_score_collections" ], "interpretation": "A work page can host several editions, arrangements and file formats. Cite the specific file, editor or contributor and edition date; a work title alone is insufficient. WIMA provenance should survive the hosting relationship.", "rights_observation": "Rights must be read for the specific edition, file and applicable jurisdiction. This review does not assign a collection-wide licence.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "score_imslp_wima", "digital_sheet_music", "repo_score_collections" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S057", "source_key": "score_mutopia", "name": "Mutopia Project", "selection_role": "score_collection", "parent_source_key": "digital_sheet_music", "attribution": "The Mutopia Project and individual typesetters", "scope_description": "General music collection containing organ works", "documentary_unit": "Typeset edition with editable and rendered files", "source_description": "Mutopia supplies PDF, MIDI and editable LilyPond files and credits the typesetter of each piece. Its licence page distinguishes public-domain contributions from several versions of Creative Commons Attribution and Attribution-ShareAlike licences.", "source_description_references": [ "score_mutopia", "mutopia_rights" ], "interpretation": "The edition and typesetter belong in the citation alongside the composer. The home-page music count is not an organ-work count. Keep the source file and generated performance or print format distinct.", "rights_observation": "Multiple licences apply by piece; the specific edition determines the obligations.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "score_mutopia", "mutopia_rights" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S058", "source_key": "score_musescore_direct", "name": "MuseScore.com Direct", "selection_role": "score_collection", "parent_source_key": "digital_sheet_music", "attribution": "MuseScore.com and individual score contributors", "scope_description": "Directly selected score URLs", "documentary_unit": "User-published score version", "source_description": "The local collection definition requires credentials and accepts explicit MuseScore URLs. The public entry-point check encountered an access challenge; no score content or current download terms were verified.", "source_description_references": [ "score_musescore_direct", "repo_score_collections" ], "interpretation": "Record contributor, score identifier, revision and downloaded format for any later acquisition. Platform identity does not identify a score's editor, and a public-domain composition does not determine the rights in its modern encoding.", "rights_observation": "File-specific permissions and current account conditions remain unverified.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "score_musescore_direct", "repo_score_collections" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S059", "source_key": "audit_orkasa", "name": "ORKASA", "selection_role": "audit_only", "parent_source_key": null, "attribution": "Evangelisch-Lutherische Landeskirche Sachsens", "scope_description": "Organs associated with the Saxon regional church", "documentary_unit": "Church organ database; no registered Aggregator adapter", "source_description": "The church's organ-information page identifies ORKASA as an organ database. Aggregator's dated investigation classified its access as requiring an external application client rather than ordinary HTTP acquisition.", "source_description_references": [ "audit_orkasa", "repo_audit" ], "interpretation": "That classification is a recorded implementation boundary, not a judgement of research value. ORKASA and the Dresden-led Saxony inventory have different institutional scopes and must remain separate entries.", "rights_observation": "No data-access or redistribution permission was established in this review.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "audit_orkasa", "repo_audit" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S060", "source_key": "audit_organstops", "name": "Encyclopedia of Organ Stops", "selection_role": "audit_only", "parent_source_key": null, "attribution": "Edward L. Stauff", "scope_description": "Encyclopedia of Organ Stops", "documentary_unit": "Organ-stop concept entry", "source_description": "The encyclopedia provides alphabetical access to stop terminology and names Edward L. Stauff as owner, operator and copyright holder. Aggregator's investigation excluded it from the organ-instance acquisition lane.", "source_description_references": [ "audit_organstops", "repo_audit" ], "interpretation": "That exclusion concerns record type. The encyclopedia remains relevant to terminology research, but a stop-name definition cannot identify a physical organ or prove that two historical stop names denote the same construction.", "rights_observation": "The site asserts copyright; no general open licence was established.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "audit_organstops", "repo_audit" ], "observation_date": "2026-09-10" }, { "catalogue_id": "S061", "source_key": "audit_welt_orgel_archiv", "name": "Welt-Orgel-Archiv", "selection_role": "audit_only", "parent_source_key": null, "attribution": "Welt-Orgel-Archiv (title recorded in the investigation audit)", "scope_description": "Not recoverable from the checked endpoint", "documentary_unit": "Unavailable historical web resource", "source_description": "The endpoint recorded in Aggregator's investigation returned HTTP 404 again on 10 September 2026. No content was recovered and no registered adapter is present.", "source_description_references": [ "audit_welt_orgel_archiv", "repo_audit" ], "interpretation": "Retain the URL and dated failure as evidence of the investigation's scope. The response does not establish the collection's historical extent, ownership, permanent disappearance or availability at another address.", "rights_observation": "Not assessable from the error response.", "rights_observation_basis": "Report of the pages consulted on 10 September 2026; not a determination of legal entitlement or a complete licence audit.", "references": [ "audit_welt_orgel_archiv", "repo_audit" ], "observation_date": "2026-09-10" } ] }