Etude in E flat minor op.10 no.6 Etude in G flat major op.10 no.5 Etude in A flat major op.25 no.1 Etude in A flat major op. 10 no. 10 Etude in C sharp minor op. 10 no.4 Etude in G sharp minor op.25 no.6 Prelude in B-flat minor op.32, no.2 Nocturne in B flat minor op.9 no.1 Etude in C sharp minor op.25 no.7 Etude in C sharp minor, op. 10 no. 4