backup singer

noun
UK /ˈbækʌp ˈsɪŋə/
US /ˈbækʌp ˈsɪŋər/

A backup singer is a person who sings along with the main singer to help the song sound fuller.

The backup singer stood behind the star and sang the harmony parts.


OTHER MEANINGS

2. A singer who provides vocal support on a recording rather than being the featured artist.

She worked as a backup singer on several hit albums before going solo.

3. A person who sings the lower or supporting vocal line in a group performance.

The backup singer held the low notes while the lead sang the melody.

4. A secondary vocalist ready to step in if the main singer cannot perform.

When the lead lost her voice, the backup singer took over the show.