One of the earliest live performances ever recorded by these icons of the San Francisco music scene, presented in this deluxe digipak CD! 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!