Fantaisie-Impromptu in C sharp minor,Op.66 (Posh.) Fantaisie-impromptu in C sharp minor Op.66 (幻想即兴曲) Fantaisie-impromptu in C sharp minor, Op. posth. 66 Fantaisie-Impromptu in C sharp minor,op.66 Fantaisie-impromptu in C sharp minor op.66 "Fantasie" --impromptu in C sharp minor, op. 66, no. 4 4."Fantasie" --impromptu in C sharp minor, op. 66, no. 4 Fantaisie-Impromptu in C sharp minor,Op.66 Polonaise in C sharp minor, op.26 no.1 Etude in D sharp minor,op.8 No.12