Büsser’s Ballade is characterized by a refined, French sensibility and lush, atmospheric harmonies. It avoids overt technical displays in favor of textural delicacy and poetic nuance.
Success in this piece depends on subtle pedaling and the ability to layer different voice planes.
Comparable difficulty and character — good candidates for what to learn next.
Ballade (Op.65) 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 Ballade (Op.65) lasts about 4 minutes.
Ballade (Op.65) 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 Asturias by Henri Büsser, Clair de lune by Claude Debussy, Prelude in D-flat major, No. 15 by Frédéric Chopin — see the full similar-pieces list on this page.