Deluxe live archive release from the iconic San Francisco rockers, one of the earliest live performances ever recorded by the band. Features early vocalist Jim Murray (prior to the return of Dino Valenti) singing and playing harmonic in this ripping set that includes such fan favorites as 'I Hear You Knockin', 'Smokestack Lightnin', 'Susie Q', 'Pride of Man', and more. Comes with a full color booklet with detailed liner notes and reproductions of several vintage concert posters.