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.

While only two of the original Grateful Dead band members are in Dead & Company, that didn't matter to the 60,000 thrilled fans in Golden Gate Park.

Tens of thousands of Deadheads packed San Francisco's Golden Gate Park on Saturday for the second day of a three-day concert series honoring the Grateful Dead's 60th anniversary.