Steibelt’s adaptation of music from the popular opera 'Les Mystères d'Isis' serves as a classic example of 19th-century operatic transcription. The piece transforms vocal lines into pianistic flourishes and idiomatic keyboard textures.
At Henle 5 this is a late-intermediate piece — technically substantial, with musical demands to match. The main demands: ornaments that need to sound effortless, not squeezed in; a true singing tone, with the melody floating above the accompaniment; and fast passage work that stays light and even at tempo.
Beyond that, expect sweeping arpeggio figures that must stay smooth across positions.
At roughly 8 minutes, stamina and memory become part of the challenge — plan practice in sections.
The pianist must manage the transition between dramatic operatic recitative styles and light, rapid variations.
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.
Fantaisie sur un air des Mistères d'Isis is rated Henle level 5 of 9 — late intermediate repertoire, roughly ABRSM grades 6–7. In the RCM system it corresponds to about level 7.
You should be comfortable at Henle level 5 — meaning you can already play level 4–5 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 sur un air des Mistères d'Isis lasts about 8 minutes.
Fantaisie sur un air des Mistères d'Isis 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 Elegie pour la mort du Prince Soltykoff by Daniel Steibelt, Bataille d'Austerlitz by Daniel Steibelt, Britannia by Daniel Steibelt — see the full similar-pieces list on this page.