Born Morris Holt, he was a blues singer and guitarist who released albums including Born Under a Bad Sign.
He moved to Chicago in 1955 and played in a blues band called The Teardrops.
He initially played piano but had to quit because he lost his pinky finger in a cotton gin accident.
His brother Nick played bass in The Teardrops.
He first won the W.C. Handy Award for blues in the 1980s, an award won in 2011 by John Hammond.