Home Events Cornell ’77 Turns 40: ‘Holy Grail’ Grateful Dead Show Finally Gets Official Release Cornell ’77 Turns 40: ‘Holy Grail’ Grateful Dead Show Finally Gets Official Release planetsixstring May 8, 2017 comments off Tweet on Twitter Share on Facebook Google+ Pinterest Revisit arguably the “best ever” Grateful Dead concert held at Barton Hall on the campus of Cornell University in Ithaca, New York 40 years ago today.