. "32 variations in C minor" . "Etude in C sharp minor, Op. 25 N \u00B0 7... [etc. ]" . "Etude in C, Op 10 N \u00B0 1" . . "Etude in C sharp minor, Op. 25 N \u00B0 7... [etc. ]" . . . "Etude in C, Op 10 N \u00B0 1" . . . . . . "38434630" . "32 variations in C minor" . .