{"projection_revision":2,"snapshot":"6800e16e1b80165e358b2f9a4ebeb2e3","catalog_version":23631,"snapshot_created_at":"2026-10-01T16:10:15+00:00","snapshot_expires_at":"2026-10-02T16:10:15+00:00","source_changed_at":"2026-10-01T16:04:08+00:00","freshness_behavior":"materialized on first request after a committed source change; database triggers cover row writes and relationship writes","source_id_sha256":"2635d9b8573dd59b9d30ea11e78a7c1fbc79ae087515600178130b6098d9c43c","source_content_sha256":"9ca7bf083dc8faa2090594b3133b9b858240eaffd261d498b7fa80e54d191032","total_catalog_pieces":6580,"schema_version":"2.0","query":"","normalized_query":"","resolved_filters":{"piece_id":5148,"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/5148?page=1&piece_id=5148&projection=full&snapshot=6800e16e1b80165e358b2f9a4ebeb2e3","json":"https://roadtovirtuosity.com/ai/catalog/pieces/5148.json?page=1&piece_id=5148&projection=full&snapshot=6800e16e1b80165e358b2f9a4ebeb2e3","text":"https://roadtovirtuosity.com/ai/catalog/pieces/5148.txt?page=1&piece_id=5148&projection=full&snapshot=6800e16e1b80165e358b2f9a4ebeb2e3"},"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":5148,"title":"Moritz Moszkowski - 15 Études de Virtuosité, Op. 72 No. 7 in E-flat major","composer":["Moszkowski, Moritz"],"composers":[{"id":266,"name":"Moszkowski, Moritz"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"points":606515,"level":9,"canonical_url":"https://roadtovirtuosity.com/moritz-moszkowski-15-etudes-de-virtuosite-op-72-no-7-in-e-flat-major","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":606515}],"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 1–12 establish forceful contrary-motion sixteenth-note figures distributed between the hands. Measures 13–27 reshape the motion into longer arched lines and overlapping broken-chord patterns. Measures 28–42 bring back the compact opening exchanges and build them through rising sequences. Measures 43–56 reach the high-register climax, broaden into heavy chordal writing, and close with a descending broken-chord coda.","created_at":"2026-09-16T06:04:40+00:00","first_published_at":"2026-09-16T06:05:09+00:00","published_at":"2026-09-16T06:05:09+00:00","updated_at":"2026-09-16T06:05:09+00:00","match_basis":"filters"}],"latest_catalog_version":23631,"source_lag_revisions":0}