Prelude Op.23,No.1 in F sharp minor Prelude, Op.3, No.2 in C-sharp minor Prelude No.2 in C sharp minor Prelude op.28 no.6 in B minor Polonaisi op.26 no.1 in C sharp minor Etude,op.10 No.4 in C-sharp minor Prelude and fugue in C sharp minor Etudes:Op.42 No.2 in F sharp minor Etudes:Op.42 No.5 in C sharp minor Etude No.8 In C sharp minor