Op. 10, Etude No. 12 in C minor, Allegro con fuoco (revolution)
Op. 10, Etude No. 12 in C minor, Allegro con fuoco (revolution) is a song by
Chopin, Marian Pivka, Peter Schmalfuss, Slovak. Philharmonic it was released on
Klavierkonzert No. 2, OP.21 etc.
