{"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":5247,"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/5247?page=1&piece_id=5247&projection=full&snapshot=53e6b73f0c55a7cb1d31aaf9099f6c1d","json":"https://roadtovirtuosity.com/ai/catalog/pieces/5247.json?page=1&piece_id=5247&projection=full&snapshot=53e6b73f0c55a7cb1d31aaf9099f6c1d","text":"https://roadtovirtuosity.com/ai/catalog/pieces/5247.txt?page=1&piece_id=5247&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":0,"distinct_work_count":null,"approximate_suggestions":[],"message":null,"pieces":[{"piece_id":5247,"title":"Johann Baptist Cramer - 50 Selected Studies (Bülow), No. 17","composer":["Cramer, Johann Baptist"],"composers":[{"id":269,"name":"Cramer, Johann Baptist"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"points":39799,"level":6,"canonical_url":"https://roadtovirtuosity.com/johann-baptist-cramer-50-selected-studies-bulow-no-17","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":39799}],"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":"Short upper figures rise and fall almost continuously above accented bass notes and chords. The pattern shifts through different registers and harmonies, briefly thinning around measure 20 before returning. It quiets at the end, where the upper line stops on a high note above a low final bass note.","created_at":"2026-09-16T19:34:37+00:00","first_published_at":"2026-09-16T19:35:40+00:00","published_at":"2026-09-16T19:35:40+00:00","updated_at":"2026-09-16T19:35:40+00:00","match_basis":"filters"}],"latest_catalog_version":22776,"source_lag_revisions":0}