Number Ten: Rick James- Street Songs, 1981
This songwriter, singer, guitarist, and producer all rolled into one became known for something called "punk-funk." Quite an innovative concept!
Number Nine: Jr. Walker and the Allstars- Shotgun, 1965
Walker started out as a solo saxophone player and later on decided to forge new ground with his vocals. It appears to have worked out well for him.
Number Eight: Gladys Knight and the Pips- Nitty Gritty, 1969
Diana Ross was usually claiming most of the spotlight in the era of Gladys