Nocturne No.7 in C sharp minor,Op.27 No.1 Nocturne No. 7 in C sharp minor, op. 27 No. 1 7. Nocturne No.7 in C sharp minor, Op.27 No.1 Nocturne in C sharp minor Op.27 No.1 No.7 in C sharp minor, op.27 no.1 Nocturne No.20 in C sharp minor,Op.osh Nocturne No.20 in C sharp minor,Op.osth. Nocturne No.20 in C sharp minor,Op.posh Nocturne No.20 in C sharp minor,Op.posth. Nocturne in F sharp major,op.15 no.2