John Dawson
- electric guitar (rhythm), vocals
David Nelson
- electric guitar
Spencer Dryden
- drums
Jerry Garcia
- pedal steel guitar
David Torbert
- electric bass, vocals
JGMF has concluded that this is the date of the first long interview of Jerry by Charles Reich, which ended up in Signpost For A New Space. That would have been earlier in the day, with Garcia leaving for this gig.
listing: "Rock, Jazz This Week in Bay Area," San Francisco Chronicle, July 23, 1971, p. 45