Guitar Slim, born Eddie Jones, was a pivotal figure in the blues genre during the 1950s. Known for his blistering guitar solos and powerful, emotive vocals, his musical style was characterized by its raw energy and innovative use of distortion. His most influential work, "The Things That I Used to Do," remains a standard in the blues repertoire. The song was produced by a young Ray Charles, which further elevated Slim's impact on future generations of blues and rock musicians.