Alfred Tofft’s Op. 56 is a quintessential salon-style nocturne from the early 20th century. It combines traditional Romantic melodic writing with an idiomatic piano style meant to showcase expressive touch.
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 careful pedaling — clarity depends on the foot as much as the fingers.
Beyond that, expect chord voicing — bringing out one note inside a handful of others.
Work on projecting the melody clearly above the triplet accompaniment patterns.
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.
Crepuscule (Op.56) 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 Crepuscule (Op.56) lasts about 4 minutes.
Crepuscule (Op.56) 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 Nocturne in C-sharp minor by Frédéric Chopin, Waltz in C-sharp minor, No. 2 by Frédéric Chopin, Waltz in A minor by Frédéric Chopin — see the full similar-pieces list on this page.