Backing vocalists are singers who provide vocal harmony with the lead vocalist or other backing vocalists. In some cases, a backing singer may sing alone as a lead-in to the main vocalist's entry or to sing a counter-melody. Backing vocalists are used in a broad range of popular music, traditional music and world music styles.
Solo artists may employ professional backing vocalists in studio recording sessions as well as during concerts. In many rock and metal bands (e.g., the power trio), the musicians doing backing vocals also play instruments, such as guitar, electric bass, drums, or keyboards. In Latin or Afro-Cuban groups, backing singers may play percussion instruments or shakers while singing. In some pop and hip-hop groups and in musical theater, the backing singers may be required to perform elaborately choreographed dance routines while they sing through headset microphones.
The style of singing used by backing singers varies according to the type of song and the genre of music the band plays. In pop and country songs, backing vocalists may perform vocal harmony parts to support the lead vocalist. In hardcore punk or rockabilly, other band members who play instruments may sing or shout backing vocals during the chorus (refrain) section of the songs.
Alternative terms for backing vocalists include backing singers, backing vocals, additional vocals or, particularly in the United States and Canada, backup singers or sometimes background singers or harmony vocalists.
While some bands use performers whose sole on-stage role is performing backing vocals, it is common for backing singers to have other roles. Two notable examples of band members who sang back-up are The Beach Boys and The Beatles. The Beach Boys were well known for their close vocal harmonies, occasionally with all five members singing at once such as "In My Room" and "Surfer Girl". All five members would sing lead, although most often Brian Wilson or Mike Love would sing lead with guitarists Carl Wilson and Al Jardine and drummer Dennis Wilson singing background harmonies.