{"projection_revision":2,"snapshot":"b4b087f5bc4334eae9af760c41e19070","catalog_version":23766,"snapshot_created_at":"2026-10-01T17:17:09+00:00","snapshot_expires_at":"2026-10-02T17:17:09+00:00","source_changed_at":"2026-10-01T17:08:44+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":"127c47187ba7c298f37d0750e669c546168e70d73e0ab4dc89a5edb505ffdf69","total_catalog_pieces":6607,"schema_version":"2.0","query":"","normalized_query":"","resolved_filters":{"piece_id":4043,"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/4043?page=1&piece_id=4043&projection=full&snapshot=b4b087f5bc4334eae9af760c41e19070","json":"https://roadtovirtuosity.com/ai/catalog/pieces/4043.json?page=1&piece_id=4043&projection=full&snapshot=b4b087f5bc4334eae9af760c41e19070","text":"https://roadtovirtuosity.com/ai/catalog/pieces/4043.txt?page=1&piece_id=4043&projection=full&snapshot=b4b087f5bc4334eae9af760c41e19070"},"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. 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It uses a three-flat key signature and is mostly written in 4/4 time, with one brief change to 2/4 before returning to 4/4. The piece is built around broken-note patterns, dotted rhythms, tied notes, short imitative figures, two-note chords, and independent motion between the hands. Instead of a simple melody with accompaniment, the music gives both hands active material.Measures 1–3 introduce the main invention texture. The left hand begins with a broken-note figure while the right hand enters afterward with a rising sixteenth-note idea. The hands move independently, with the right hand using tied and dotted rhythms while the left hand continues steady broken patterns below.Measure 4 briefly changes to 2/4. This shorter measure uses chordal motion in the left hand and a small right-hand entrance to move the piece into the next section.Measures 5–7 return to 4/4 and continue the contrapuntal style. The right hand plays a dotted melodic line while the left hand answers with chords, bass notes, and broken figures. The two hands often move in different rhythms, giving this section more rhythmic contrast than the opening.Measures 8 to the end form the closing section. The right hand continues the dotted-note idea while the left hand moves through a lower broken pattern. The piece settles into long final notes, creating a clear ending after the short burst of imitation.Interesting fact: The title “Invention” connects this piece to a keyboard tradition where a small musical idea is developed and passed between voices. This piece follows that idea by starting with short patterns and letting both hands take part in the musical motion.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":"2026-07-02T23:47:04+00:00","first_published_at":null,"published_at":null,"updated_at":"2026-07-02T23:53:10+00:00","match_basis":"filters"}],"latest_catalog_version":23766,"source_lag_revisions":0}