John Mayer thanked his fellow Dead Heads for accepting him as part of the Grateful Dead's impact on music over the past 60 years. Mayer performed alongside Dead & Company Friday, Aug. 1, through Sunday,

Fred Cothard, a lifelong fan of the Grateful Dead, collapsed and died during Dead & Company's final 60th anniversary concert in Golden Gate Park.

The guitarist was feeling the warm and fuzzies following the legendary jam band's three-night run in San Francisco's Golden Gate Park over the weekend.