This is a salon-style Romantic waltz by the contemporary Belgian composer Thomas Hellemans. It is distinctive for its nostalgic harmonic language that blends traditional waltz structures with modern melodic lyricism.
At Henle 4 this is an intermediate piece that expects secure technique and real attention to phrasing. The main demands: a waltz lilt that needs charm and a flexible left hand; rubato that must breathe naturally without losing the pulse; and a true singing tone, with the melody floating above the accompaniment.
Beyond that, expect a left hand with real melodic or rhythmic responsibility of its own.
Focus on achieving a supple, non-percussive waltz lilt in the left hand while maintaining an expressive melodic line.
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.
Fantaisy Waltz Op.16 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 Fantaisy Waltz Op.16 lasts about 4 minutes.
Fantaisy Waltz Op.16 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 American Beauty by Joseph Francis Lamb, Berceuse by Rudolf Friml, At Twilight by Rudolf Friml — see the full similar-pieces list on this page.