This late-Romantic nocturne by the relatively obscure composer Ludwik Rosen focuses on intense emotional expression. It utilizes chromatic harmonies common in the post-Chopin salon style.
At Henle 4 this is an intermediate piece that expects secure technique and real attention to phrasing. The main demands: a true singing tone, with the melody floating above the accompaniment; rubato that must breathe naturally without losing the pulse; and chord voicing — bringing out one note inside a handful of others.
Beyond that, expect careful pedaling — clarity depends on the foot as much as the fingers.
Emphasis should be placed on creating a cohesive long-line legato despite the chromaticism.
Comparable difficulty and character — good candidates for what to learn next.
A level or two down with the same spirit — ideal if this piece is still out of reach.
Where this piece's skills lead: slightly harder works making similar technical demands.
Dernier amour (Op.76) is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 6.
You should be comfortable at Henle level 4 — meaning you can already play level 3–4 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 Dernier amour (Op.76) lasts about 5 minutes.
Dernier amour (Op.76) 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 Dark Eyes by Charles N. Daniels, Canto del esclavo by Nicolás Ruiz Espadero, Barcarolle by Józef Wieniawski — see the full similar-pieces list on this page.