Nocturne no. 20 in C sharp minor Nocturne in C sharp minor Nocturne No.20 in C sharp minor,Op.osh Nocturne No.20 in C sharp minor,Op.posh Nocturne in C sharp minor; Prelude No.2 in C sharp minor Symphony No. 10 in F sharp minor Symphony no. 5 in C sharp minor Nocturne No.20 in C sharp minor Op.posth Nocturne No.20 in C sharp minor,Op.osth.