Dir. Richard T Heffron.

Con Bill Graham, Jefferson Airplane, Elvin Bishop, Carlos Santana, The Grateful Dead, Boz Scaggs, Lamb, Hot Tuna, Papa John Creach, Quicksilver Messenger Service, The New Riders of the Purple Sage, Cold Blood, It's a Beautiful Day, The Rowan Brothers.

Estreno 01/11/1973.

Comentario: Documental. Estreno en Rex.