RTV PUBLIC REPERTOIRE CATALOG
Query: (all public entries)
Filters: {"composer_id":81,"timezone":"UTC"}
Matches: 24 | Returned: 24 | Public catalog: 8262
Page 1 of 1
Next: none; end of results
Previous: none
Version: 33152 | Snapshot: 848f9d10e0d70bd3f771f2e01a0e832d
Created: 2026-10-21T00:17:10+00:00 | Source: 2026-10-21T00:14:16+00:00 | Expires: 2026-10-22T00:17:10+00:00


{"piece_id":2475,"title":"Duvernoy - Melody","composer":["Duvernoy, Jean-Baptiste"],"composers":[{"id":81,"name":"Duvernoy, Jean-Baptiste"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":1800,"level":3,"canonical_url":"https://roadtovirtuosity.com/duvernoy-melody","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":1800}],"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","created_at":"2024-04-17T15:17:09+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-09T04:58:21+00:00","match_basis":"filters"}

{"piece_id":718,"title":"Duvernoy - Op. 120, No. 5","composer":["Duvernoy, Jean-Baptiste"],"composers":[{"id":81,"name":"Duvernoy, Jean-Baptiste"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":15804,"level":5,"canonical_url":"https://roadtovirtuosity.com/duvernoy-op-120-no-5","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":15804}],"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","created_at":"2023-08-30T08:05:13+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:28:31+00:00","match_basis":"filters"}

{"piece_id":1979,"title":"Duvernoy - Op. 176, No. 12","composer":["Duvernoy, Jean-Baptiste"],"composers":[{"id":81,"name":"Duvernoy, Jean-Baptiste"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":3090,"level":4,"canonical_url":"https://roadtovirtuosity.com/duvernoy-op-176-no-12","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":3090}],"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","created_at":"2024-02-16T15:29:15+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-20T16:00:22+00:00","match_basis":"filters"}

{"piece_id":2168,"title":"Duvernoy - Op. 176, No. 13","composer":["Duvernoy, Jean-Baptiste"],"composers":[{"id":81,"name":"Duvernoy, Jean-Baptiste"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":3350,"level":4,"canonical_url":"https://roadtovirtuosity.com/duvernoy-op-176-no-13","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":3350}],"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","created_at":"2024-03-04T15:14:46+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:25:34+00:00","match_basis":"filters"}

{"piece_id":2398,"title":"Duvernoy - Op. 176, No. 15","composer":["Duvernoy, Jean-Baptiste"],"composers":[{"id":81,"name":"Duvernoy, Jean-Baptiste"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":4964,"level":4,"canonical_url":"https://roadtovirtuosity.com/duvernoy-op-176-no-15","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":4964}],"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","created_at":"2024-04-09T16:03:04+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T17:59:05+00:00","match_basis":"filters"}

{"piece_id":2368,"title":"Duvernoy - Op. 176, No. 17","composer":["Duvernoy, Jean-Baptiste"],"composers":[{"id":81,"name":"Duvernoy, Jean-Baptiste"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":4180,"level":4,"canonical_url":"https://roadtovirtuosity.com/duvernoy-op-176-no-17","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":4180}],"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","created_at":"2024-04-05T19:04:38+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:25:23+00:00","match_basis":"filters"}

{"piece_id":676,"title":"Duvernoy - Op. 176, No. 18","composer":["Duvernoy, Jean-Baptiste"],"composers":[{"id":81,"name":"Duvernoy, Jean-Baptiste"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":11200,"level":5,"canonical_url":"https://roadtovirtuosity.com/duvernoy-op-176-no-18","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":11200}],"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","created_at":"2023-08-25T07:59:46+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-13T04:28:12+00:00","match_basis":"filters"}

{"piece_id":2016,"title":"Duvernoy - Op. 176, No. 4","composer":["Duvernoy, Jean-Baptiste"],"composers":[{"id":81,"name":"Duvernoy, Jean-Baptiste"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":3225,"level":4,"canonical_url":"https://roadtovirtuosity.com/duvernoy-op-176-no-4","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":3225}],"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","created_at":"2024-02-17T04:54:55+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:26:17+00:00","match_basis":"filters"}

{"piece_id":3136,"title":"Duvernoy - Op. 176, No. 8","composer":["Duvernoy, Jean-Baptiste"],"composers":[{"id":81,"name":"Duvernoy, Jean-Baptiste"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":838,"level":2,"canonical_url":"https://roadtovirtuosity.com/duvernoy-op-176-no-8","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":838}],"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","created_at":"2024-06-29T15:34:07+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T17:58:54+00:00","match_basis":"filters"}

{"piece_id":713,"title":"Duvernoy - Op. 276, No. 10","composer":["Duvernoy, Jean-Baptiste"],"composers":[{"id":81,"name":"Duvernoy, Jean-Baptiste"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":15425,"level":5,"canonical_url":"https://roadtovirtuosity.com/duvernoy-op-276-no-10","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":15425}],"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","created_at":"2023-08-30T06:55:03+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:30:50+00:00","match_basis":"filters"}

{"piece_id":687,"title":"Duvernoy - Op. 276, No. 3","composer":["Duvernoy, Jean-Baptiste"],"composers":[{"id":81,"name":"Duvernoy, Jean-Baptiste"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":12180,"level":5,"canonical_url":"https://roadtovirtuosity.com/duvernoy-op-276-no-3","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":12180}],"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","created_at":"2023-08-26T02:27:52+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:32:38+00:00","match_basis":"filters"}

{"piece_id":696,"title":"Duvernoy - Op. 276, No. 9","composer":["Duvernoy, Jean-Baptiste"],"composers":[{"id":81,"name":"Duvernoy, Jean-Baptiste"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":13300,"level":5,"canonical_url":"https://roadtovirtuosity.com/duvernoy-op-276-no-9","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":13300}],"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","created_at":"2023-08-26T05:51:24+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-13T04:28:50+00:00","match_basis":"filters"}

{"piece_id":678,"title":"Duvernoy - Op. 298, No. 13","composer":["Duvernoy, Jean-Baptiste"],"composers":[{"id":81,"name":"Duvernoy, Jean-Baptiste"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":11500,"level":5,"canonical_url":"https://roadtovirtuosity.com/duvernoy-op-298-no-13","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":11500}],"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","created_at":"2023-08-25T11:16:19+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:33:45+00:00","match_basis":"filters"}

{"piece_id":643,"title":"Duvernoy - Op. 298, No. 14","composer":["Duvernoy, Jean-Baptiste"],"composers":[{"id":81,"name":"Duvernoy, Jean-Baptiste"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":8090,"level":5,"canonical_url":"https://roadtovirtuosity.com/duvernoy-op-298-no-14","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":8090}],"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","created_at":"2023-08-22T09:01:27+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:35:47+00:00","match_basis":"filters"}

{"piece_id":692,"title":"Duvernoy - Op. 298, No. 15","composer":["Duvernoy, Jean-Baptiste"],"composers":[{"id":81,"name":"Duvernoy, Jean-Baptiste"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":12800,"level":5,"canonical_url":"https://roadtovirtuosity.com/duvernoy-25-progressive-etudes-op-298-no-15","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":12800}],"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","created_at":"2023-08-26T03:20:27+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:31:05+00:00","match_basis":"filters"}

{"piece_id":671,"title":"Duvernoy - Op. 298, No. 19","composer":["Duvernoy, Jean-Baptiste"],"composers":[{"id":81,"name":"Duvernoy, Jean-Baptiste"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":10500,"level":5,"canonical_url":"https://roadtovirtuosity.com/duvernoy-op-298-no-19","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":10500}],"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","created_at":"2023-08-25T06:47:48+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-29T02:12:16+00:00","match_basis":"filters"}

{"piece_id":716,"title":"Duvernoy - Op. 298, No. 20","composer":["Duvernoy, Jean-Baptiste"],"composers":[{"id":81,"name":"Duvernoy, Jean-Baptiste"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":15680,"level":5,"canonical_url":"https://roadtovirtuosity.com/duvernoy-op-298-no-20","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":15680}],"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","created_at":"2023-08-30T07:44:31+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:28:42+00:00","match_basis":"filters"}

{"piece_id":689,"title":"Duvernoy - Op. 298, No. 22","composer":["Duvernoy, Jean-Baptiste"],"composers":[{"id":81,"name":"Duvernoy, Jean-Baptiste"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":12420,"level":5,"canonical_url":"https://roadtovirtuosity.com/duvernoy-op-298-no-22","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":12420}],"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","created_at":"2023-08-26T02:52:15+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:32:28+00:00","match_basis":"filters"}

{"piece_id":657,"title":"Duvernoy - Op. 298, No. 24","composer":["Duvernoy, Jean-Baptiste"],"composers":[{"id":81,"name":"Duvernoy, Jean-Baptiste"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":9486,"level":5,"canonical_url":"https://roadtovirtuosity.com/duvernoy-op-298-no-24","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":9486}],"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","created_at":"2023-08-24T09:02:07+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:35:36+00:00","match_basis":"filters"}

{"piece_id":649,"title":"Duvernoy - Op. 298, No. 5","composer":["Duvernoy, Jean-Baptiste"],"composers":[{"id":81,"name":"Duvernoy, Jean-Baptiste"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":8666,"level":5,"canonical_url":"https://roadtovirtuosity.com/duvernoy-op-298-no-5","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":8666}],"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","created_at":"2023-08-24T07:16:00+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-06-21T04:13:36+00:00","match_basis":"filters"}

{"piece_id":673,"title":"Duvernoy - Op. 298, No. 7","composer":["Duvernoy, Jean-Baptiste"],"composers":[{"id":81,"name":"Duvernoy, Jean-Baptiste"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":10790,"level":5,"canonical_url":"https://roadtovirtuosity.com/duvernoy-op-298-no-7","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":10790}],"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","created_at":"2023-08-25T07:18:15+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:33:55+00:00","match_basis":"filters"}

{"piece_id":727,"title":"Duvernoy - Op. 298, No. 8","composer":["Duvernoy, Jean-Baptiste"],"composers":[{"id":81,"name":"Duvernoy, Jean-Baptiste"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":15600,"level":5,"canonical_url":"https://roadtovirtuosity.com/duvernoy-op-298-no-8","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":15600}],"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","created_at":"2023-08-30T09:48:44+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:26:42+00:00","match_basis":"filters"}

{"piece_id":2979,"title":"Duvernoy - Song Without Words - Op. 176, No. 3","composer":["Duvernoy, Jean-Baptiste"],"composers":[{"id":81,"name":"Duvernoy, Jean-Baptiste"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":302,"level":2,"canonical_url":"https://roadtovirtuosity.com/duvernoy-op-176-no-3","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":302}],"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","created_at":"2024-06-16T14:42:15+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-13T04:47:32+00:00","match_basis":"filters"}

{"piece_id":2015,"title":"Duvernoy - Toccata - Op. 176, No. 24","composer":["Duvernoy, Jean-Baptiste"],"composers":[{"id":81,"name":"Duvernoy, Jean-Baptiste"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Romantic","genre_id":3,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":3200,"level":4,"canonical_url":"https://roadtovirtuosity.com/duvernoy-op-176-no-24-toccata","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":3200}],"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","created_at":"2024-02-17T04:53:15+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-09-22T18:26:32+00:00","match_basis":"filters"}

Full response metadata (including counts, interpretation and alternate links):
{
    "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=81",
    "schema_version": "2.0",
    "query": "",
    "normalized_query": "",
    "resolved_filters": {
        "composer_id": 81,
        "timezone": "UTC"
    },
    "sort": "relevance",
    "projection": "compact",
    "total_matches": 24,
    "returned": 24,
    "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=81&page=1&snapshot=848f9d10e0d70bd3f771f2e01a0e832d",
        "json": "https://roadtovirtuosity.com/ai/catalog.json?composer_id=81&page=1&snapshot=848f9d10e0d70bd3f771f2e01a0e832d",
        "text": "https://roadtovirtuosity.com/ai/catalog.txt?composer_id=81&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": 24,
    "distinct_work_count": null,
    "approximate_suggestions": [],
    "message": null,
    "latest_catalog_version": 33152,
    "source_lag_revisions": 0
}