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

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

More than 50,000 Deadheads turned out to see Night 1 of the Grateful Dead 60th anniversary celebration at Golden Gate Park.

SAN FRANCISCO, CA — Billy Strings joined Dead & Company on stage, delivering a musical nod to Jerry Garcia on the rock legend ...

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