Op. 157 is a mature work reflecting Saint-Saëns's later, more refined compositional voice. It is characterized by its lyrical warmth and idiomatic, flowing piano writing.
At Henle 7 this is a late-advanced work — the technical demands are serious and sustained. The main demands: continuous sixteenth-note figuration that must ripple, not chatter; rubato that must breathe naturally without losing the pulse; and a true singing tone, with the melody floating above the accompaniment.
Beyond that, expect chord voicing — bringing out one note inside a handful of others, and sweeping arpeggio figures that must stay smooth across positions.
At roughly 9 minutes, stamina and memory become part of the challenge — plan practice in sections.
Developing a singing, balanced tone for the long, spinning melodic lines is the primary technical task.
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.
Lesser-known works by the same hand, at a comparable level.
Fantaisie No.3 (Op.157) is rated Henle level 7 of 9 — late advanced repertoire, roughly ABRSM grade 8 and above. In the RCM system it corresponds to about level 9.
You should be comfortable at Henle level 7 — meaning you can already play level 6–7 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 Fantaisie No.3 (Op.157) lasts about 9 minutes.
Fantaisie No.3 (Op.157) 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 Allegro de concert by Camille Saint-Saëns, Fantaisie by Camille Saint-Saëns, Bourrée by Camille Saint-Saëns — see the full similar-pieces list on this page.