Józef Wieniawski combines the swaying barcarolle style with the lightness of a caprice in this virtuosic display piece. It is distinct for its more energetic and varied textures compared to traditional, slower boat songs.
The technical challenge lies in balancing the rapid passagework with the required graceful character.
Comparable difficulty and character — good candidates for what to learn next.
Barcarolle-Caprice (op.9) is rated Henle level 6 of 9 — advanced repertoire, roughly ABRSM grades 7–8. In the RCM system it corresponds to about level 8.
You should be comfortable at Henle level 6 — meaning you can already play level 5–6 pieces cleanly. Learning it one level early is possible as a stretch piece, but more than that usually leads to months of frustration.
A typical performance of Barcarolle-Caprice (op.9) lasts about 5 minutes.
Barcarolle-Caprice (op.9) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.
Pieces at a comparable difficulty and character include Barcarolle by Józef Wieniawski, Ballade by Józef Wieniawski, 10 Variations on "Unser dummer Pöbel meint" for Piano in G Major by Wolfgang Amadeus Mozart — see the full similar-pieces list on this page.