ユニゾン

noun

unison

Musical term for singing or playing the same melody at the same pitch or in octaves. Also used metaphorically for acting together in harmony.

• 合がっ唱しょう団だんはユニゾンで歌うたい始はじめた。

  The choir began singing in unison.

• 彼かれらの意い見けんはユニゾンだった。

  Their opinions were in unison.