Harold Melvin was one of the driving forces behind Philadelphia soul, leading his group the Blue Notes to the top of the charts during their stint on Kenny Gamble and Leon Huff's Philadelphia International label. Despite Melvin's billing out front, the Blue Notes' focal point was lead singer and onetime drummer Teddy Pendergrass, whose surging baritone graced the Blue Notes' recordings during their glory years of 1972-1975 and gave them a truly distinctive sound. Their output ranged from sweeping, extended proto-disco dance tracks to silky, smoldering ballads, all wrapped up in Gamble and Huff's lushly orchestrated production. When Pendergrass left for a solo career, Melvin & the Blue Notes' commercial fortunes largely reverted to the pre-Pendergrass days (of which there were quite a few), although they did continue to record for a time. They never really disbanded, and by the time Melvin passed away in 1997, he'd been leading the Blue Notes for over four decades.