Much has changed in San Francisco over the last six decades. But all these years later, the music of the Grateful Dead can still draw a significant crowd to Golden Gate Park, where the revered rock band played some of its earliest shows just blocks from the house on 710 Ashbury Street, where its members set up shop in the mid-1960s.

Only some of those founding members remain today — iconic frontman Jerry Garcia died 30 years ago, while bassist Phil Lesh passed away last October — but two surviving members, Bobby Weir and Mickey Hart, brought