Bobby Womack

Robert Dwayne "Bobby" Womack (; born March 4, 1944) is an American singer-songwriter and musician. An active recording artist since the early 1960s where he started his career as the lead singer of his family musical group The Valentinos and as Sam Cooke's backing guitarist, Womack's career has spanned more than 50 years and has spanned a repertoire in the styles of R&B, soul, rock and roll, doo-wop, gospel, and country.

source: Wikipedia