 The concert was produced by Shelly Finkel and Jim Koplik, two promoters who previously organized a successful Grateful Dead concert at Dillon Stadium, Hartford, Connecticut, in 1972.At the Dillon Stadium concert, the Grateful Dead were joined on-stage by Dickey Betts, Berry Oakley, and Jai Johanny Johanson, members of The Allman Brothers Band.This impromptu jam planted the seeds that would eventually spawn the "Summer Jam" concert in Watkins Glen, NY.