This is a virtuosic showpiece by Swiss composer Charles Samuel Bovy-Lysberg designed for the salon. It features elaborate passagework and typical mid-19th-century technical display patterns.
The primary challenge lies in executing the rapid, sparkling runs with clarity and precision across the keyboard.
Comparable difficulty and character — good candidates for what to learn next.
Allegro de concert (Op.50) 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.50) lasts about 8 minutes.
Allegro de concert (Op.50) 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, Fantaisie-Impromptu in C-sharp minor by Frédéric Chopin, 'I Got Rhythm' Variations by George Gershwin — see the full similar-pieces list on this page.