Credits

Paul Butterfield: Harmonica, Vocals
The Paul Butterfield Blues Band: Credit Not Specified
Elvin Bishop: Guitar, Rhythm Guitar, Vocals
Michael Bloomfield: Slide Guitar
Sam Lay: Drums
The Blues Band: Credit Not Specified
Jac Holzman: Production Supervisor
William S. Harvey: Artwork, Photography
Pete Welding: Liner Notes
Mark Naftalin: Organ
Paul A. Rothchild: Director, Producer, Mastering
Leonard Heicklen: Photography
Mark Abramson: Producer, Assistant Producer
Jerome Arnold: Bass
Dave Collins: Mastering