Mozart's Andante in A Major, often a movement from a larger sonata, is a prime example of his elegant lyricism and sophisticated harmonic writing. It features a beautifully shaped melody that is both graceful and emotionally resonant.
Focus on precise articulation, refined phrasing, and balancing the melodic line with the accompaniment.
Andante in A major 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 Andante in A major lasts about 6 minutes.
Andante in A major is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.