Gladys Knight & the Pips gold. Knight still records and performs today. As a member of The Church of Jesus Christ of Latter-day Saints, she sometimes leads the Saints Unified Voices choir. The group was inducted into the Rock and Roll Hall of Fame in 1996, the Vocal Group Hall of Fame in 2001 and received a Lifetime Achievement Award from the Rhythm & Blues Foundation in 1998. Gladys Knight & the Pips are ranked as the ninth most successful act in "The Billboard Top 40 Book of R&B and Hip-Hop Hits" (2005). They were also ranked No. 91 on VH1's "Top 100 Artists of
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