Trey Anastasio of Phish, Billy Strings and Sturgill Simpson were among the special guests to join the band over three nights of concert and amid a city-wide celebration.

Photo: Bill Kelly Following Dead & Company’s three-night concert series at San Francisco’s Golden Gate Park in celebration of 60 years of Grateful

Fans of the Grateful Dead are pouring into San Francisco for three days of concerts and festivities marking the 60th anniversary of the scruffy jam band that came to embody a city where people wore flowers in their hair and made love,