This is a piano arrangement of a famous opera aria by Mozart, showcasing his mastery of melody and dramatic expression. The music is characterized by its operatic grandeur and vocal lyricism, adapted for keyboard.
Requires clarity of line, sensitive dynamic shaping, and the ability to imitate vocal phrasing.
Ascanio in Alba (K.111) 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 9.
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 Ascanio in Alba (K.111) lasts about 40 minutes.
Ascanio in Alba (K.111) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.