Originally for winds, this canon reflects Mozart's mastery of strict imitation within a compact structure. It is characterized by its grace and clarity of voice leading.
Achieving an even, singing tone in both hands while balancing the imitative entries is essential.
Canonic Adagio K.V. 484d (410) 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 Canonic Adagio K.V. 484d (410) lasts about 3 minutes.
Canonic Adagio K.V. 484d (410) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.