Frescobaldi's Bergamasca from Fiori musicali is a monumental set of variations that showcases the height of Italian Baroque keyboard craft. It is distinctive for its seamless integration of vocal-style counterpoint and idiomatic keyboard virtuosity.
The performer must master the intricate ornamentation while maintaining the structural integrity of each variation.
Comparable difficulty and character — good candidates for what to learn next.
Bergamasca is rated Henle level 6 of 9 — advanced repertoire, roughly ABRSM grades 7–8. In the RCM system it corresponds to about level 8.
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 Bergamasca lasts about 8 minutes.
Bergamasca is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.
Pieces at a comparable difficulty and character include Capriccio di obligo di cantare la quinta parte, F 4.11 by Girolamo Frescobaldi, Capriccio di Durezze, F 4.09 by Girolamo Frescobaldi, Capriccio cromatico con ligature al contrario, F 4.08 by Girolamo Frescobaldi — see the full similar-pieces list on this page.