BERKELEY, UNITED STATES - AUGUST 17: The Grateful Dead perform at the Greek Theater in Berkeley, California on August 17, 1989. (L-R) Phil Lesh, Bob Weir, Bill Kruetzmann, Jerry Garcia, Mickey Hart, Brent Mydland. (Photo by Clayton Call/Redferns)
BERKELEY, UNITED STATES - AUGUST 17: The Grateful Dead perform at the Greek Theater in Berkeley, California on August 17, 1989. (L-R) Phil Lesh, Bob Weir, Bill Kruetzmann, Jerry Garcia, Mickey Hart, Brent Mydland. (Photo by Clayton Call/Redferns)