claim: Backing vocalists sing with the lead vocalist.
evidence: Backing vocalists are singers who provide vocal harmony with the lead vocalist or other backing vocalists .. vocal harmony. vocal harmony. lead vocalist. lead vocalist. 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 .. singer. singer. counter-melody. counter-melody. Backing vocalists are used in a broad range of popular music , traditional music and world music styles .. popular music. popular music. traditional music. traditional music. world music. world music. Solo artists may employ professional backing vocalists in studio recording sessions as well as during concerts .. In many rock and metal bands -LRB- e.g. , the power trio -RRB- , the musicians doing backup vocals also play instruments , such as guitar , electric bass , drums , or keyboards .. rock. Rock music. metal. Heavy metal music. power trio. power trio. In Latin or Afro-Cuban groups , backup singers may play percussion instruments or shakers while singing .. Latin. Music of Latin America. Afro-Cuban. Afro-Cuban. In some pop and hip-hop groups and in musical theater , the backup singers may be required to perform elaborately choreographed dance routines while they sing through headset microphones .. hip-hop. Hip hop music. musical theater. musical theater. The style of singing used by backup singers varies according to the type of song and the genre of music the band plays .. In pop and country songs , backup vocalists may perform vocal harmony parts to support the lead vocalist .. vocal harmony. vocal harmony. lead vocalist. lead vocalist. In hardcore punk or rockabilly , other band members who play instruments may sing or shout backup vocals during the chorus -LRB- refrain -RRB- section of the songs .