RTV PUBLIC REPERTOIRE CATALOG Query: (all public entries) Filters: {"piece_id":2555,"timezone":"UTC"} Matches: 1 | Returned: 1 | Public catalog: 6444 Page 1 of 1 Next: none; end of results Previous: none Version: 22776 | Snapshot: 53e6b73f0c55a7cb1d31aaf9099f6c1d Created: 2026-09-30T22:02:12+00:00 | Source: 2026-09-30T22:01:48+00:00 | Expires: 2026-10-01T22:02:12+00:00 {"piece_id":2555,"title":"Bach - Invention No. 2 - BWV 773","composer":["Bach, Johann Sebastian"],"composers":[{"id":105,"name":"Bach, Johann Sebastian"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Baroque","genre_id":2,"is_archive_only":false,"evaluation_eligible":true,"points":102500,"level":7,"canonical_url":"https://roadtovirtuosity.com/bach-15-inventions-no-2-bwv-773","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":102500}],"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":"Bach’s C-minor Invention builds a flowing conversation from a winding theme that begins alone in the upper voice. Its steady motion is colored by chromatic notes, ornaments, and overlapping phrases.\r\nThe lower voice enters with the opening theme while the upper line continues, creating an extended imitation. The two parts later exchange rising sequences, descending runs, and more spacious gestures as the harmony moves away from and back toward C minor. A final return of the opening shapes leads to a sustained closing sonority.\r\nAn interesting detail is the delayed second entrance: the lower voice waits through two full measures before beginning the theme, allowing its imitation to be heard clearly.","created_at":"2024-04-29T16:34:34+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-23T06:10:48+00:00","match_basis":"filters"} Full response metadata (including counts, interpretation and alternate links): { "projection_revision": 2, "snapshot": "53e6b73f0c55a7cb1d31aaf9099f6c1d", "catalog_version": 22776, "snapshot_created_at": "2026-09-30T22:02:12+00:00", "snapshot_expires_at": "2026-10-01T22:02:12+00:00", "source_changed_at": "2026-09-30T22:01:48+00:00", "freshness_behavior": "materialized on first request after a committed source change; database triggers cover row writes and relationship writes", "source_id_sha256": "9088801b53e3818f53c9d8fcd70e4f7a5f2a13bce14f8a9272471ea62995edfb", "source_content_sha256": "48eaa3e506d717971a4e8ee99bde37fd5e66f47baf5aba99a97d9a6aab643d78", "total_catalog_pieces": 6444, "schema_version": "2.0", "query": "", "normalized_query": "", "resolved_filters": { "piece_id": 2555, "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/2555?page=1&piece_id=2555&projection=full&snapshot=53e6b73f0c55a7cb1d31aaf9099f6c1d", "json": "https://roadtovirtuosity.com/ai/catalog/pieces/2555.json?page=1&piece_id=2555&projection=full&snapshot=53e6b73f0c55a7cb1d31aaf9099f6c1d", "text": "https://roadtovirtuosity.com/ai/catalog/pieces/2555.txt?page=1&piece_id=2555&projection=full&snapshot=53e6b73f0c55a7cb1d31aaf9099f6c1d" }, "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": 22776, "source_lag_revisions": 0 }