A Big Hunk o' Love 10, 1958, in Nashville, Tennessee. It was the first session that did not include guitarist Scotty Moore and bassist Bill Black, who had both worked with Elvis since his first recordings for Sam Phillips at the Memphis Recording Service, which later became known as Sun Studios. The recording featured Elvis' regular drummer D.J. Fontana and backing vocalists the Jordanaires, who would continue to work with Elvis until Elvis' appearance at the Hilton in Las Vegas. The rest of the musicians were top Nashville session men, such as guitarist Hank Garland on Gibson Byrdland guitar, Floyd Cramer on piano, Bob Moore
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