This is a charming aria for voice and piano by Mozart, likely an early work. It features a simple, graceful melody with delicate accompaniment, showcasing Mozart's early melodic gift.
Focus on maintaining a smooth, flowing legato line in the right hand while keeping the Alberti bass accompaniment light and clear.
Ach zu kurz ist unsers Lebens Lauf (K.228) is rated Henle level 3 of 9 — late beginner repertoire, roughly ABRSM grades 4–5. In the RCM system it corresponds to about level 4.
You should be comfortable at Henle level 3 — meaning you can already play level 2–3 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 Ach zu kurz ist unsers Lebens Lauf (K.228) lasts about 3 minutes.
Ach zu kurz ist unsers Lebens Lauf (K.228) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.