Ace Spectrum

Soul vocal quartet Formed in New York in the mid 60's. The group did not have a lead singer, and changed leads with every song. They recorded three albums between 1974 - 1976. Their biggest hit is the Ashford & Simpson song "Don't Send Nobody Else" (1974, No.20 in U.S. R'n'B chart, No.57 in U.S. Pop Chart).