Mozart's 9 Variations on a Minuet by Duport, K.573, represent a masterful transformation of a simple dance theme into a varied and engaging piano work. The variations explore a range of textures, moods, and technical demands with characteristic elegance and wit.
Achieving a refined touch and expressive phrasing, especially in the more lyrical variations, is crucial.
9 Variations on a Minuet by Duport (K.573) is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 7.
You should be comfortable at Henle level 4 — meaning you can already play level 3–4 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 9 Variations on a Minuet by Duport (K.573) lasts about 9 minutes.
9 Variations on a Minuet by Duport (K.573) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.