Isaac Hayes Isaac Hayes is a renowned soul musician, who rose to the top of the charts in the 1970's on the Stax label, a soul record label. He released his first solo album, Presenting Isaac Hayes, in 1968. His next album, Hot Buttered Soul, became a gold record in the 1970's. His 1972 soundtrack to the movie Shaft, went platinum and won an Oscar for "Theme From Shaft." Hayes is also an actor.