Although the Pips never had any commercial success on their own, they were famous for the distinctive background harmonies that they provided for Gladys Knight for many years. From 1961's "Every Beat of My Heart" to 1973's "Midnight Train to Georgia" to 1988's "Love Overboard," the Pips backed Knight on one major hit after another. Knight first started working with the Pips in 1952, when she was only eight and formed a quintet with her brother Merald "Bubba" Knight, her sister Brenda Knight, and their cousins William and Elenor Guest. At first, the group's main purpose was ent...