Charles Delioux was a student of Zimmermann who produced many bravura works for the piano. This piece highlights the mid-Romantic penchant for dramatic, high-energy concert etude-style writing.
Students must manage the dense, energetic chordal textures while maintaining a consistent tempo.
Comparable difficulty and character — good candidates for what to learn next.
Allegro de concert (Op.75) 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 10.
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 Allegro de concert (Op.75) lasts about 7 minutes.
Allegro de concert (Op.75) 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 Rhapsody in Blue (Solo Piano) by George Gershwin, Polonaise in A-flat major by Frédéric Chopin, Bourrée fantasque by Emmanuel Chabrier — see the full similar-pieces list on this page.