Busoni's Fantasie nach J.S. Bach (1909); Prélude et étude en arpèges (1923); Perpetuum mobile (1922); Trills Etude (Veloce e leggiero f. Klavier, 1924), from Vol. 5 of the Klavierübung, 2nd edition and Six Preludes and Fugues (1997) by the contemporary Italian composer Troncon (b. 1959)