Mozart's variations on 'Dieu d'amour' present a graceful and varied treatment of a well-known melody. The set showcases his elegant melodic writing and his ability to transform a theme through diverse musical ideas.
Developing a smooth cantabile line and precise execution of the embellishments are key to capturing the piece's refined character.
8 Variations on 'Dieu d'amour' is rated Henle level 5 of 9 — late intermediate repertoire, roughly ABRSM grades 6–7.
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.
8 Variations on 'Dieu d'amour' is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.