Credits

Johnny Winter: Guitar, Producer
Muddy Waters: Guitar, Vocals
Pinetop Perkins: Piano
Bob Margolin: Guitar, Liner Notes, Reissue Producer
Jerry Portnoy: Harmonica
Robert Gordon: Liner Notes
Luther "Guitar Junior" Johnson: Guitar
David Prentice: Mixing Assistant
Andy Manganello: Assistant Engineer
Darren Salmieri: A & R
David Swope: Assistant Engineer
Greg Calbi: Mastering
Howard Fritzson: Artwork Direction
Jim Marshall: Cover Photo, Photography
Mark Wilder: Engineer
David Gahr: Photography
Joseph M. Palmaccio: Mastering
Paul Natkin: Photography
Frank Carbonari: Graphic Design
Josh Cheuse: Design
Paula Scher: Design
Rick Jacobsohn: Engineer
Steve Paul: Director
Al Quaglieri: Reissue Producer
Calvin "Fuzz" Jones: Bass
Liz Reilly: Photo Research
Matt Cavaluzzo: Engineer
Patti Matheny: A & R
Thom Cadley: Mixing
Triana D'Orazio: Packaging Manager
Willie "Big Eyes" Smith: Drums
Jermaine Fray: Assistant Engineer
Woody Pornpitaksuk: Engineer
Seth Foster: Engineer
Charles Calamese: Bass
Dave Still: Engineer, Mixing, Production Consultant
Steve Einczig: Product Manager
Steve Berkowitz: Reissue Producer