Etude,op.25,No.5 in E minor Prelude op.28 no.6 in B minor Etude op.10 no.12 in C minor Nocturne op.37 no.1 in G minor Etude,op.10 No.4 in C-sharp minor Etude no.11 in E minor Etude no.16 in D minor Etude no.20 in A minor Mazurka op.68 no.2 in A minor Etudes:Op.42 No.5 in C sharp minor