Achille Simonetti composed this work with a refined, Italianate sense of melody and structure. It is musically distinct for its clear, operatic phrasing transferred to the piano keyboard.
Develop a consistent cantabile touch to sustain long, operatic melodic lines.
Comparable difficulty and character — good candidates for what to learn next.
Ballata is rated Henle level 5 of 9 — late intermediate repertoire, roughly ABRSM grades 6–7. In the RCM system it corresponds to about level 6.
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 Ballata lasts about 4 minutes.
Ballata 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 Clair de lune by Claude Debussy, Andante by Wolfgang Amadeus Mozart, Prelude in D-flat major, No. 15 by Frédéric Chopin — see the full similar-pieces list on this page.