RTV PUBLIC REPERTOIRE CATALOG
Query: (all public entries)
Filters: {"piece_id":2373,"timezone":"UTC"}
Matches: 1 | Returned: 1 | Public catalog: 6607
Page 1 of 1
Next: none; end of results
Previous: none
Version: 23822 | Snapshot: 04df10e12c4bc0d9dfff36d6ce703e6d
Created: 2026-10-01T18:13:19+00:00 | Source: 2026-10-01T18:07:54+00:00 | Expires: 2026-10-02T18:13:19+00:00


{"piece_id":2373,"title":"Czerny - 30 New Studies In Technics - Op. 849, No. 10","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,"points":4332,"level":4,"canonical_url":"https://roadtovirtuosity.com/czerny-op-849-no-10","instrument_points":[{"instrument_id":1,"instrument":"Piano","points":4332}],"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 - 30 New Studies in Technics - Op. 849, No. 10” is a technical etude in common time, marked Allegro Moderato. The piece is built around quick broken-note patterns, repeated hand coordination, light rests between figures, long slurs, dynamic changes, chromatic accidentals, and a final two-hand arpeggio pattern. Instead of a singing melody with accompaniment, the music focuses on evenness, clean finger motion, and smooth movement through changing positions.Measures 1–8 introduce the main study pattern. The hands play short broken-note figures in the treble register, with rests separating each small group. The long slur over each phrase keeps the motion connected, while the repeated fingering patterns create the main technical work of the etude.Measures 9–12 begin the second section at piano. The texture becomes more active between the hands, with rising broken figures, bass support, and a crescendo. By measure 12, the music reaches forte and sounds broader than the opening.Measures 13–16 return to the original broken-note idea, now with more accidentals and a softer dynamic. The dim. and pp markings create a quiet contrast before the music begins growing again.Measures 17–20 continue the opening-style pattern through new note groups. The repeated figures stay light and steady, but the accidentals and changing hand positions give this section more harmonic color.Measures 21 to the end form the closing section. The hands spread farther apart, with the left hand moving in low broken patterns and the right hand answering above. A crescendo leads to the final cadence, where the piece closes with a strong chordal ending.Interesting fact: Czerny’s Op. 849 is known as 30 New Studies in Technics, or 30 Études de mécanisme. The collection was written for developing pianists and serves as a bridge between easier studies and faster velocity-focused exercises.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 what to work on and provide additional practice suggestions. You may also submit your video publicly so other users can evaluate it.If your performance is approved, your video will be accepted and you can collect your points.","created_at":"2024-04-06T13:39:13+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-07-01T23:48:33+00:00","match_basis":"filters"}

Full response metadata (including counts, interpretation and alternate links):
{
    "projection_revision": 2,
    "snapshot": "04df10e12c4bc0d9dfff36d6ce703e6d",
    "catalog_version": 23822,
    "snapshot_created_at": "2026-10-01T18:13:19+00:00",
    "snapshot_expires_at": "2026-10-02T18:13:19+00:00",
    "source_changed_at": "2026-10-01T18:07:54+00:00",
    "freshness_behavior": "materialized on first request after a committed source change; database triggers cover row writes and relationship writes",
    "source_id_sha256": "72fa8e0e111dfb6d7b466ee5d12ee4be480f947d97696f393a4367db72165e68",
    "source_content_sha256": "de0bb3e833adcf3dfd9d3edbc04819a127e5ee3a5cc55172ebb31023aec64aea",
    "total_catalog_pieces": 6607,
    "schema_version": "2.0",
    "query": "",
    "normalized_query": "",
    "resolved_filters": {
        "piece_id": 2373,
        "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/2373?page=1&piece_id=2373&projection=full&snapshot=04df10e12c4bc0d9dfff36d6ce703e6d",
        "json": "https://roadtovirtuosity.com/ai/catalog/pieces/2373.json?page=1&piece_id=2373&projection=full&snapshot=04df10e12c4bc0d9dfff36d6ce703e6d",
        "text": "https://roadtovirtuosity.com/ai/catalog/pieces/2373.txt?page=1&piece_id=2373&projection=full&snapshot=04df10e12c4bc0d9dfff36d6ce703e6d"
    },
    "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": 1,
    "distinct_work_count": null,
    "approximate_suggestions": [],
    "message": null,
    "latest_catalog_version": 23822,
    "source_lag_revisions": 0
}