BLOOMINGTON, MN – APRIL 17: The Grateful Dead (L-R) Bob Weir, Jerry Garcia at the Met Center in Bloomington, Minnesota on April 17, 1989. (Photo by Jim Steinfeldt/Michael Ochs Archives/Getty Images)
LOS ANGELES, CA – OCTOBER 18: Singer Bob Weir, founding member of The Grateful Dead, performs onstage with The Wolf Bros at Ace Hotel on October 18, 2018 in Los Angeles, California. (Photo by Scott Dudelson/Getty Images)