RTV PUBLIC REPERTOIRE CATALOG Query: (all public entries) Filters: {"piece_id":1628,"timezone":"UTC"} Matches: 1 | Returned: 1 | Public catalog: 8271 Page 1 of 1 Next: none; end of results Previous: none Version: 33437 | Snapshot: 40281fb74597c3d5392a1904486fd75b Created: 2026-10-21T21:17:10+00:00 | Source: 2026-10-21T21:15:01+00:00 | Expires: 2026-10-22T21:17:10+00:00 {"piece_id":1628,"title":"Czerny - Op. 139, No. 90","composer":["Czerny, Carl"],"composers":[{"id":2,"name":"Czerny, Carl"}],"instrument":["Piano"],"instruments":[{"id":1,"name":"Piano"}],"genre":"Classical","genre_id":1,"is_archive_only":false,"evaluation_eligible":true,"grading_status":"graded","grading_status_label":"Graded","points":11090,"level":5,"canonical_url":"https://roadtovirtuosity.com/czerny-op-139-no-90","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":11090}],"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","description":"“Czerny - Op. 139, No. 90” is a short piano study in 3/8 with a calm Andantino character. The piece is built around repeated two-note chord figures, simple left-hand support, short slurs, accents, and a direct key change in the middle. It is only one page long, but it has a clear two-part shape because the same material appears first in a sharp-key setting and then returns after a shift into a flat-key setting.Measures 1–16 present the first main section. The right hand uses repeated chord pairs and short slurred figures, while the left hand supports with simple bass notes, broken motion, and occasional accents. The texture stays light and steady, with the same rhythmic idea repeated in small balanced phrases.Measures 17–32 continue the same style but with slightly more motion and stronger accents. The right hand keeps the repeated chord pattern, while the left hand adds more movement underneath. The section ends with a clear shift into a new key area, setting up the second half of the study.Measures 33–48 bring back the same musical material after the key change. The repeated chord figures, short slurs, and left-hand support return almost like a second version of the opening. The final measures close with the same clear, simple study texture used throughout the piece.Interesting fact: Czerny’s Op. 139 is called 100 Progressive Studies, and this piece shows that idea clearly. No. 90 is not flashy, but it focuses on a very specific skill: keeping repeated chord patterns even and controlled while the harmony and key area change around them.How to earn points for this piece:Download or purchase the sheet music.Practice the piece carefully. Watch the video example to make sure you are accurate.Record yourself on video and upload it to Youtube. (Perfection is not required. A few minor mistakes are okay)Submit a link to your video here for evaluation. We will watch your performance and give you feedback. If you need more practice - we will let you know exactly what you need to work on along with additional practice suggestions. (Or you can submit a video to the public and other users will evaluate your video)If your performance is good, we will approve your video and you can collect your points.","created_at":"2023-12-04T02:24:34+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-05-30T05:15:16+00:00","match_basis":"filters"} Full response metadata (including counts, interpretation and alternate links): { "projection_revision": 6, "snapshot": "40281fb74597c3d5392a1904486fd75b", "catalog_version": 33437, "snapshot_created_at": "2026-10-21T21:17:10+00:00", "snapshot_expires_at": "2026-10-22T21:17:10+00:00", "source_changed_at": "2026-10-21T21:15:01+00:00", "freshness_behavior": "materialized on first request after a committed source change; database triggers cover row writes and relationship writes", "source_id_sha256": "a2bc4068f157b8e6d6075dbd6398f596ccf21fb02dc60e67b5f2ebf1469f85e7", "source_content_sha256": "2742c65f17ea5928d067991af90718fac7aac0e3ca643c4652c267167bc8512f", "total_catalog_pieces": 8271, "canonical_url": "https://roadtovirtuosity.com/ai/catalog/pieces/1628?piece_id=1628", "schema_version": "2.0", "query": "", "normalized_query": "", "resolved_filters": { "piece_id": 1628, "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/1628?page=1&piece_id=1628&projection=full&snapshot=40281fb74597c3d5392a1904486fd75b", "json": "https://roadtovirtuosity.com/ai/catalog/pieces/1628.json?page=1&piece_id=1628&projection=full&snapshot=40281fb74597c3d5392a1904486fd75b", "text": "https://roadtovirtuosity.com/ai/catalog/pieces/1628.txt?page=1&piece_id=1628&projection=full&snapshot=40281fb74597c3d5392a1904486fd75b" }, "warnings": [ "Archive-only entries have unknown grading status. 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