RTV PUBLIC REPERTOIRE CATALOG Query: (all public entries) Filters: {"piece_id":692,"timezone":"UTC"} Matches: 1 | Returned: 1 | Public catalog: 6464 Page 1 of 1 Next: none; end of results Previous: none Version: 22876 | Snapshot: 8b6b1e15dce92b999d88acc3abf93713 Created: 2026-09-30T23:28:27+00:00 | Source: 2026-09-30T23:25:03+00:00 | Expires: 2026-10-01T23:28:27+00:00 {"piece_id":692,"title":"Duvernoy - Op. 298, No. 15","composer":["Duvernoy, Jean-Baptiste"],"composers":[{"id":81,"name":"Duvernoy, Jean-Baptiste"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"points":12800,"level":5,"canonical_url":"https://roadtovirtuosity.com/duvernoy-25-progressive-etudes-op-298-no-15","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":12800}],"collections":[],"collection_semantics":"existing catalog subcategory grouping","work_identifiers":[],"work_id":null,"book":null,"sequence_position":null,"movement_number":null,"movement_title":null,"key":null,"arrangement":null,"edition":null,"entry_scope":null,"completeness":"unknown","reviewed_enrichment":false,"availability_label":"Non-Commercial","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","description":"Duvernoy’s Op. 298, No. 15 has an intimate, conversational character. Short eighth-note phrases alternate between the voices above notes held within the same texture.\r\nMeasures 1–12 exchange gently curling figures between the upper and lower parts. Chromatic neighbors and sustained inner tones give these small gestures a warm, unsettled color.\r\nMeasures 13–20 introduce a more continuous singing melody over moving inner notes. The opening dialogue returns at measure 21, followed by an extended closing passage of tied melody notes, chromatic harmony, and a soft rolled final chord.\r\nInteresting fact: Several held notes continue underneath moving notes on the same staff, so the apparent two-part dialogue often contains additional sustained voices.","created_at":"2023-08-26T03:20:27+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:31:05+00:00","match_basis":"filters"} Full response metadata (including counts, interpretation and alternate links): { "projection_revision": 2, "snapshot": "8b6b1e15dce92b999d88acc3abf93713", "catalog_version": 22876, "snapshot_created_at": "2026-09-30T23:28:27+00:00", "snapshot_expires_at": "2026-10-01T23:28:27+00:00", "source_changed_at": "2026-09-30T23:25:03+00:00", "freshness_behavior": "materialized on first request after a committed source change; database triggers cover row writes and relationship writes", "source_id_sha256": "1917d0d56502e59611c8e843b56c3694ccc6c0b4277a41b41ee76d15b5aa4688", "source_content_sha256": "e49c576951749cec8c02d1d7f170bf2256ed29c1ddb2a6a34d5f46b6e5645a5b", "total_catalog_pieces": 6464, "schema_version": "2.0", "query": "", "normalized_query": "", "resolved_filters": { "piece_id": 692, "timezone": "UTC" }, "sort": "relevance", "projection": "full", "total_matches": 1, "returned": 1, "page": 1, "per_page": 50, "total_pages": 1, "previous_page_url": null, "next_page_url": null, "end_of_results": true, "alternate_formats": { "html": "https://roadtovirtuosity.com/ai/catalog/pieces/692?page=1&piece_id=692&projection=full&snapshot=8b6b1e15dce92b999d88acc3abf93713", "json": "https://roadtovirtuosity.com/ai/catalog/pieces/692.json?page=1&piece_id=692&projection=full&snapshot=8b6b1e15dce92b999d88acc3abf93713", "text": "https://roadtovirtuosity.com/ai/catalog/pieces/692.txt?page=1&piece_id=692&projection=full&snapshot=8b6b1e15dce92b999d88acc3abf93713" }, "warnings": [ "Strict taxonomy filters exclude unattributed records; search title text separately before deciding something is missing.", "Work identity, musical sequence and completeness are unknown unless reviewed metadata is supplied. Catalog collections are existing subcategory groupings.", "Historical first-publication dates are unknown. Date counts include only currently public entries with known first-publication dates.", "File availability reports a public file reference, not a storage-health check." ], "publication_count_scope": "currently public entries first published during the requested interval", "unknown_publication_dates_before_date_filter": 1, "distinct_work_count": null, "approximate_suggestions": [], "message": null, "latest_catalog_version": 22876, "source_lag_revisions": 0 }