Bach's BWV 203, 'Amore traditore,' is a solo vocal aria arranged for keyboard, characterized by its contrapuntal richness and dramatic intensity.
The main technical challenge lies in articulating the rapid figuration clearly while maintaining the rich harmonic texture.
Amore traditore (BWV 203) is rated Henle level 6 of 9 — advanced repertoire, roughly ABRSM grades 7–8. In the RCM system it corresponds to about level 9.
You should be comfortable at Henle level 6 — meaning you can already play level 5–6 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 Amore traditore (BWV 203) lasts about 2.5 minutes.
Amore traditore (BWV 203) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.