Over his lengthy playing career, he has worked with numerous other blues musicians.
His debut album, Story of My Life (1988), was nominated for a Grammy Award.
[1] Armstrong's father was the noted blues performer Guitar Slim, best known for the million-selling song "The Things That I Used to Do", which is listed in The Rock and Roll Hall of Fame's 500 Songs That Shaped Rock and Roll.
[3] Guitar Slim Jr., has worked for many years on the New Orleans blues club circuit, and his repertoire became more reliant on his father's material.
[1] New Orleans music historian Jeff Hannusch stated in the sleeve notes for that album that Slim Jr. "has been a fixture on the black New Orleans club circuit for the better part of 20 years...[but] doesn't get to play the posher uptown clubs.