background vocalist

noun
UK /ˈbæk.ɡraʊnd ˈvəʊ.kə.lɪst/
US /ˈbæk.ɡraʊnd ˈvoʊ.kə.lɪst/

A person who sings behind the main singer to make the song sound fuller.

The background vocalist sang softly behind the star during the chorus.


OTHER MEANINGS

2. A singer who performs off to the side of the stage rather than at the front.

The background vocalist stood near the drummer during the whole show.

3. A recorded voice part mixed lower than the main vocal in a song.

You can hear the background vocalist clearly in the remix.

4. A person who sings supportive parts in a band or group.

She started as a background vocalist before becoming the lead.