Ann Cole was an American R&B and gospel singer active during the 1950s and 1960s. Known for her powerful, emotive vocal style, she is most renowned for her original recording of "Got My Mojo Working," a blues standard that was later popularized by Muddy Waters. Despite not achieving widespread fame, Cole's contribution to the development of R&B and her influence on soul and blues music is significant. Her unique blend of gospel and R&B set a precedent for future soul artists.