{"projection_revision":2,"snapshot":"7feeb7f631308f107a9dd71fe8df3135","catalog_version":22971,"snapshot_created_at":"2026-10-01T01:34:02+00:00","snapshot_expires_at":"2026-10-02T01:34:02+00:00","source_changed_at":"2026-10-01T01:33:52+00:00","freshness_behavior":"materialized on first request after a committed source change; database triggers cover row writes and relationship writes","source_id_sha256":"c5f4ecc0bc9b62d1e1ce81760c31ae4d90adf0f742ccc248dd5d864400751c43","source_content_sha256":"0ced8972489099d0eb775d9eb34353c81e3f882fbfed5a0e8a8aed9b4ee955a2","total_catalog_pieces":6483,"schema_version":"2.0","query":"","normalized_query":"","resolved_filters":{"piece_id":4484,"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/4484?page=1&piece_id=4484&projection=full&snapshot=7feeb7f631308f107a9dd71fe8df3135","json":"https://roadtovirtuosity.com/ai/catalog/pieces/4484.json?page=1&piece_id=4484&projection=full&snapshot=7feeb7f631308f107a9dd71fe8df3135","text":"https://roadtovirtuosity.com/ai/catalog/pieces/4484.txt?page=1&piece_id=4484&projection=full&snapshot=7feeb7f631308f107a9dd71fe8df3135"},"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,"pieces":[{"piece_id":4484,"title":"Bach - The Well-Tempered Clavier, Book II - Fugue No. 20 in A Minor - BWV 889","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":104285,"level":7,"canonical_url":"https://roadtovirtuosity.com/bach-the-well-tempered-clavier-book-ii-fugue-no-20-in-a-minor-bwv-889","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":104285}],"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":"Public Domain","has_download":true,"download_availability_basis":"public license category and existing file reference; storage health not verified","description":"Measures 1–8 introduce a subject of separated notes and wide leaps, building three voices around quicker figures. Measures 9–24 alternate subject entries with thirty-second-note runs, dotted rhythms, and ornaments. Measures 25–29 carry the runs through the upper and lower registers before the final chord.","created_at":"2026-09-11T20:46:58+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-11T20:47:02+00:00","match_basis":"filters"}],"latest_catalog_version":22971,"source_lag_revisions":0}