Fantaisie-impromptu in C sharp minor op.66 Fantaisie-Impromptu in C sharp minor,op.66 Fantaisie-Impromptu in C sharp minor,Op.66 Fantaisie-Impromptu in C sharp Minor,Op.66 Fantaisie-impromptu in C sharp minor Op.66 (幻想即兴曲) Fantaisie-Impromptu No.4 in C sharp minor,Op.66 Fantaisie-impromptu in C sharp minor, Op. posth. 66 Polonaise in C sharp minor op. 26 Polonaise in F sharp minor op.44 Polonaise no.5 in f sharp minor op.44