肖邦之谜（三），肖邦为何只写钢琴曲

背景音乐：

1，Maurizio Pollini-Frédéric Chopin Scherzo No.4 in E, Op.54

2，Jean-Marc Luisada-Frédéric Chopin Mazurka No.4 in E flat minor Op.6 No.4

3，Jean-Marc Luisada-Frédéric Chopin Mazurka No.5 in B flat Op.7 No.1

4，Arthur Rubinstein-Frédéric Chopin Nocturne No. 5 in F Sharp Major, Op. 15, No. 2