{"projection_revision":6,"snapshot":"848f9d10e0d70bd3f771f2e01a0e832d","catalog_version":33152,"snapshot_created_at":"2026-10-21T00:17:10+00:00","snapshot_expires_at":"2026-10-22T00:17:10+00:00","source_changed_at":"2026-10-21T00:14:16+00:00","freshness_behavior":"materialized on first request after a committed source change; database triggers cover row writes and relationship writes","source_id_sha256":"4600cc647b64cb8a3cf36dc9ef5686a0eb6b46f23530b5ddfc15028facf99f6c","source_content_sha256":"493b8dd2f169975113751fad00bbe69ef7b9e893d7c6d6f48374847be218a12b","total_catalog_pieces":8262,"canonical_url":"https://roadtovirtuosity.com/ai/catalog?composer_id=189","schema_version":"2.0","query":"","normalized_query":"","resolved_filters":{"composer_id":189,"timezone":"UTC"},"sort":"relevance","projection":"compact","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?composer_id=189&page=1&snapshot=848f9d10e0d70bd3f771f2e01a0e832d","json":"https://roadtovirtuosity.com/ai/catalog.json?composer_id=189&page=1&snapshot=848f9d10e0d70bd3f771f2e01a0e832d","text":"https://roadtovirtuosity.com/ai/catalog.txt?composer_id=189&page=1&snapshot=848f9d10e0d70bd3f771f2e01a0e832d"},"warnings":["Archive-only entries have unknown grading status. Zero points with Level 0 are pending. Positive points establish known grading, including beginner Level 0; explicit review declarations are preserved.","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":2540,"title":"Ludovico Einaudi - Love Is A Mystery","composer":["Einaudi, Ludovico"],"composers":[{"id":189,"name":"Einaudi, Ludovico"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"1900’s - Present","genre_id":4,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":17800,"level":6,"canonical_url":"https://roadtovirtuosity.com/ludovico-einaudi-love-is-a-mystery","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":17800}],"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":"Copyrighted","has_download":false,"download_availability_basis":"public license category and existing file reference; storage health not verified","created_at":"2024-04-23T01:11:16+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-12T05:51:05+00:00","match_basis":"filters"}],"latest_catalog_version":33152,"source_lag_revisions":0}