A technically formidable work by Alkan, this piece is known for its orchestral sonority and aggressive bravura. It showcases the composer's unique ability to push the physical boundaries of the piano.
Execution of the expansive chordal jumps and heavy octave passages requires significant physical stamina and control.
Comparable difficulty and character — good candidates for what to learn next.
Capriccio alla soldatesca is rated Henle level 8 of 9 — concert repertoire, roughly diploma level. In the RCM system it corresponds to about level 10.
You should be comfortable at Henle level 8 — meaning you can already play level 7–8 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 Capriccio alla soldatesca lasts about 6 minutes.
Capriccio alla soldatesca 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 Capriccio alla soldatesca by Charles-Valentin Alkan, Beethoven's Piano Concerto No.3-1st Mvt., Transciption by Charles-Valentin Alkan, Beethoven's Piano Concerto in D minor, K 466, Transciption by Charles-Valentin Alkan — see the full similar-pieces list on this page.