Kalkbrenner’s Fantasia Op. 37 represents the virtuoso piano tradition of the early 19th century. It is characterized by sparkling passagework and technical demands that bridge the gap between early Romanticism and the Lisztian era.
At Henle 7 this is a late-advanced work — the technical demands are serious and sustained. The main demands: fast passage work that stays light and even at tempo; sweeping arpeggio figures that must stay smooth across positions; and octave passages that demand a relaxed wrist to avoid tension.
Beyond that, expect sharp dynamic and character contrasts held together in one arc, and a left hand with real melodic or rhythmic responsibility of its own.
At roughly 8 minutes, stamina and memory become part of the challenge — plan practice in sections.
Achieving evenness and speed in the chromatic scales and arpeggios is essential for a clean performance.
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.
Fantasia No.8 (Op.37) 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 Fantasia No.8 (Op.37) lasts about 8 minutes.
Fantasia No.8 (Op.37) 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 Fantaisie sur 'Die Musketiere der Königin' by Friedrich Wilhelm Kalkbrenner, Fantaisie sur le duo des cartes de 'Charles VI' by Friedrich Wilhelm Kalkbrenner, Fantaisie et variations brillantes sur l'air 'Di tanti palpiti' by Friedrich Wilhelm Kalkbrenner — see the full similar-pieces list on this page.