Sturgill Simpson joined Dead and Company for a rendition of "Morning Dew" on the second night of the GD 60 shows in San ...

Sturgill Simpson, Bob Weir and John Mayer all on one stage? Say less. Country music star with countless genre-bending hits?

There was magic in the air of San Francisco over the last three days, with a high concentration centered in Golden Gate Park.

Grateful Dead offshoot Dead & Company and Sturgill Simpson combine for memorable moment at Golden Gate Park in San Francisco.

Sturgill Simpson joined Dead & Company for a powerful "Morning Dew" on night two of three in San Francisco's Golden Gate Park.

Trey Anastasio, Sturgill Simpson and Billy Strings joined the Grateful Dead offshoot for three San Francisco shows ...

Photo courtesy of Dead & Company via Dead & Company's Facebook page Dead & Company's three-day run at San Francisco's Golden ...

Dead & Company's setlist for its first of three shows at San Francisco's Golden Gate Park celebrating 60 years of the Grateful Dead.

Surviving Grateful Dead members returned to their hometown to celebrate the band's 60th anniversary across three big shows in Golden Gate Park.

Dead & Company brought in Sturgill Simpson and Grahame Lesh to help put together a stellar Saturday showing in Golden Gate Park.

Families and longtime Deadheads gathered to celebrate the Grateful Dead's 60th anniversary, showing the band's enduring ...

Sturgill Simpson delighted fans at Dead & Company's show, which was held in honor of Grateful Dead's 60th anniversary.