Gladys Knight & the Pips

Steeped in the gospel tradition like so many early R&B groups, Gladys Knight & the Pips topped the Billboard R&B chart for the first time in 1961 with "Every Beat of My Heart" and later in the decade developed into one of Motown's most dependable acts, responsible for 11 Top Ten R&B hits from 1966 through 1972, including "I Heard It Through the Grapevine," "The Nitty Gritty," "If I Were Your Woman," and the Grammy-winning "Neither One of Us (Wants to Be the First to Say Goodbye)." The group doubled its quantity of Top Ten R&B hits with the Buddah label through 1978, with secon...