According to Wikipedia;
Guitar Slim (December 10, 1926 – February 7, 1959) was a New Orleans blues guitarist, from the 1940s and 1950s, best known for the million-selling song, produced by Johnny Vincent at Specialty Records, "The Things That I Used to Do". It is a song that is listed in The Rock and Roll Hall of Fame's 500 Songs that Shaped Rock and Roll.Here we have a video using Guitar Slims song "The Story of My Life".
Earl King performing Guitar Slim's "The Things I Used To Do".
Guitar Slim @Amazon.com