Unison singing indicates singing in which all singers sing the same notes, without harmony.

一度唱腔就是指所有的演唱者共同演唱同一个音，没有和声。

youdao

Unison singing indicates singing in which all singers sing the same notes, without harmony.

一度唱腔就是指所有的演唱者共同演唱同一个音，没有和声。

youdao