12 Etudes, Op. 25:No. 11 in A Minor "Winter Wind"

12 Études, Op. 25:No. 12 in C Minor "Ocean"

12 Études, Op. 25:No. 11 in A Minor "Winter Wind"

12 Études, Op. 25:No. 10 in B Minor "Octave"

12 Études, Op. 25:No. 9 in G-Flat Major "Butterfly Wings"