The Ballade Venitienne is an evocative, lyrical work by the renowned virtuoso pedagogue Theodor Leschetizky. It masterfully utilizes the barcarolle form to create a gentle, swaying aquatic atmosphere.
The performer must master subtle voicing to keep the melody floating above the undulating accompaniment.
Comparable difficulty and character — good candidates for what to learn next.
Ballade Venitienne (Barcarolle) (Op.39 No.1) 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 Ballade Venitienne (Barcarolle) (Op.39 No.1) lasts about 5 minutes.
Ballade Venitienne (Barcarolle) (Op.39 No.1) 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 Un sospiro by Franz Liszt, Berceuse by Mel Bonis, Berceuse by Louis Moreau Gottschalk — see the full similar-pieces list on this page.