The song "Wanquan River is crystal clear" is selected from which of the following works.

You mean which work is the song "Wanquan River at the Bottom" selected from? This song is selected from The Red Female Soldier.

According to the data of Kuai Zhi Encyclopedia, the song "Wanquan River is crystal clear" was written by Wu Zuqiang and composed by Wu Zuqiang and Du Mingxin, which created a new form of ballet singing and dancing.

The military song of the red female soldier was written on 1959. It was written by Liang Xin and composed by Huang Zhun. It is the theme song of the movie Red women soldiers. Because of its distinctive musical image and extensive influence among the masses, it has been applied to ballet music.