Credits

Phil Upchurch: Bass
Muddy Waters: Guitar, Vocals
Paul Butterfield: Harmonica
Michael Bloomfield: Guitar
Sam Lay: Drums
Otis Spann: Piano
Buddy Miles: Drums
Donald "Duck" Dunn: Bass
Erick Labson: Digital Remastering
Bill Dahl: Liner Notes
Andy McKaie: Reissue Producer
Ron Malo: Engineer
Ryan Null: Photography
Frank Driggs: Photography
Paul Asbell: Guitar
Norman Dayron: Producer
Reice Hamel: Engineer
Jeffrey M. Carp: Chromatic Harmonica
Don Wilson: Artwork