This show may not have been a show at all. The show was not advertised and Chet Helms would often open the doors of his Family Dog at the Great Highway venue for afternoon jam sessions. It has since become known as a Mickey & the Hartbeats show.
Family Dog at The Great Highway
San Francisco, CA
August 28, 1969
Band included Jerry Garcia - guitar, Mickey Hart - drums, Bill Kreutzmann - drums, Phil Lesh - bass and Howard Wales - keyboards along with an unidentified flute player on certain tracks.