Isaac Lee Hayes Jr. (August 20, 1942 – August 10, 2008) was an American singer, songwriter, composer, and actor. He was one of the creative forces behind the Southern soul music label Stax Records in the 1960s, serving as an in-house songwriter with his partner David Porter, as well as a session musician and record producer. Hayes and Porter were inducted into the Songwriters Hall of Fame in 2005 in recognition of writing scores of songs for themselves, the duo Sam & Dave, Carla Thomas, and others. In 2002, Hayes was inducted into the Rock and Roll Hall of Fame.
During the late 1960s, Hayes also began a career as a recording artist. He released several successful soul albums such as Hot Buttered Soul (1969) and Black Moses (1971). In addition to his work in popular music, Hayes worked as a film composer.
Hayes wrote the musical score for the film Shaft (1971). For the "Theme from Shaft", he was awarded the Academy Award for Best Original Song in 1972, making him the third black person, after Hattie McDaniel and Sidney Poitier, to win an Academy Award in any competitive field covered by the Academy of Motion Picture Arts and Sciences.