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,

The group, led by founding Grateful Dead members Bobby Weir and Mickey Hart, kicked off its three-night run of shows honoring the iconic band on Friday.

W hen Dead & Company announced the site for the celebration of the Grateful Dead's 60th anniversary, fans were delighted. Golden Gate Park played a defining role in the Dead's history, hosting performances that ranged from impromptu concerts to full-scale events.