unison

US /ˈjuː.nə.sən/
UK /ˈjuː.nə.sən/
"unison" picture
1.

unísono, simultáneamente

simultaneous performance of action or utterance of speech

:
The choir sang in unison, creating a powerful sound.
El coro cantó al unísono, creando un sonido potente.
The students answered the teacher's question in unison.
Los estudiantes respondieron la pregunta del profesor al unísono.
2.

unísono, misma altura

the fact of two or more musical parts sounding at the same pitch or in octaves

:
The violins played the melody in unison.
Los violines tocaron la melodía al unísono.
The bass and cello parts were written in unison.
Las partes de bajo y violonchelo fueron escritas al unísono.