Credits

Muddy Waters: Guitar, Vocals
Otis Spann: Piano, Vocals
George "Harmonica" Smith: Harmonica
Luther "Guitar Junior" Johnson: Guitar
Bob Thiele: Producer
Bobby Arnold: Engineer
Stanley Dance: Liner Notes
Francis Clay: Drums
Sammy Lawhorn: Guitar
Joe Lebow: Design
Charles Shabacon: Photography
Little Willie Smith: Drums
Mac Arnold: Bass, Electric Bass