D. J. Fontana and Elvis Presley (rhythm guitar). They called themselves The Blue Moon Boys. This became the band that would perform and record the vast majority of Presley's hits of the 1950s. Along with the occasional piano and backing vocals from the Jordanaires, The Blue Moon Boys played on several Elvis hits, including "Heartbreak Hotel", "Hound Dog", "Don't Be Cruel", and "Jailhouse Rock". The band toured extensively. Throughout 1956 and 1957, the band had several television appearances, which included "The Ed Sullivan Show". The band broke up in 1958 and Black never played with Fontana or Presley again afterward. He died in
Backing vocalist and even developing highly complex harmonies and arrangements. When they perform live, they may have backing vocalists who impersonate their voices. Some bands use backing vocals in order to contrast with the lead singer who may be performing an unusual vocal technique. For example, Brian "Head" Welch, the lead guitarist of the band Korn, performed backing vocals on several songs, and notably on the song "Ball Tongue", he screams the chorus while lead vocalist Jonathan Davis sings incomprehensible scat vocals. Similarly, the Canadian deathcore group Despised Icon uses two vocalists, one performing screams and another performing low, growling death grunts