Etude in D-sharp minor op.8-12 Etude in C-sharp minor op. 25-7 Prelude in C-sharp minor op. 3-2 Etude in D sharp minor op. 8 no 12 Etude in D sharp minor,op.8 No.12 Etude in D sharp minor,op.8 no.12 Etude in F sharp minor,op.8 No.2 Etude in D sharp minor, op.8, no.12 Etude in D sharp minor, op. 8 No. 12 Etude in D sharp minor, op. 8 no. 12