Sung by Dong Yibai Qing'er Square Dance "Butterfly" dance music has been uploaded to Baidu.com, click on the green box on the right side of this post, you can log in to download the network disk.
Song: "Butterfly"
Lyrics: Qi Huichao
Sung by Dong Yibai
Dance Production: Dongwang
Choreography: Qing'er