No.1 in b flat minor,op.9 no.1 No.1 in B flat minor, op.9 no.1 No.1 in B flat minor Op.9 No.1 No.2 in E flat major, op.9 no.2 Nocturne in B flat minor op.9 no.1 Etude in E flat minor op.10 no.6 No.1 in B flat minor,op.23 No.1 in F minor op.2 No.1 No.7 in C sharp minor, op.27 no.1 Etude in A flat major op.25 no.1