ショパン 即興曲集

Impromptu No. 1 in A-Flat Major, Op. 29

Impromptu No. 2 in F-Sharp Major, Op. 36

Impromptu No. 3 in G-Flat Major, Op. 51

Impromptu No. 4 in C-Sharp Major, Op. 66 "Fantaisie-Impromptu"