Impromptu No. 4 in C-Sharp Minor, Op. 66 - Fantaisie-Impromptu (升c小调第四号即兴曲，Op. 66 - 幻想即兴曲)
- 专辑：Baby Ballet Dance – Classical Ballet Music for Kids, Ballet Class, Instrumental Music for Dancing, First Ballet Lessons
- 语种： 波兰语
- 流派：Classical
- 唱片公司：Imagination Company
- 发行时间：2015-06-18