Waltz No. 7 in C-Sharp Minor, Op. 64 No. 2 - Waltz No. 7 in C-Sharp Minor, Op. 64 No. 2 (升c小调第七号圆舞曲，Op. 64 No. 2 - 升c小调第七号圆舞曲，Op. 64 No. 2)