Unison

ユニゾン

yunizon

(music: the simultaneous playing of an identical note more than once)

一致

itchi

(the state of being together, in harmony, at the same time)

同音

dōon

(music: the simultaneous playing of an identical note more than once)

和同

wadō

(the state of being together, in harmony, at the same time)

斉唱

seishō

(music: the simultaneous playing of an identical note more than once)

斉奏

seisō

(music: the simultaneous playing of an identical note more than once)