listing: San Francisco Express Times, May 22, 1968, p. 14, billing "jam with Jerry Garcia and others"
Per Lehman, Godfrey. 1968. Coast Group Set Up To Keep Jazz Alive. Billboard, May 18, 1968, p. 20, this was a benefit concert to promote bringing jazz into schools, with an organization called the Jazz Action Movement (JAM). Corry doubts this happened.
