This aria, likely intended for keyboard, showcases the characteristic elegance and contrapuntal interest of the late Baroque period. Its musical distinctiveness arises from its well-crafted melodic lines and the clarity of its harmonic progression.
Focus on precise fingerwork and the ability to execute graceful ornamentation.
Aria del gran Duca is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 4.
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 Aria del gran Duca lasts about 3 minutes.
Aria del gran Duca is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.