It was quite a week at the Philadelphia Spectrum when the NBA & NHL playoffs coincided with the end of the Grateful Dead's 1985 spring tour.

John Mayer stopped by SiriusXM’s Grateful Dead channel for a guest DJ spot where he shared some of his favorite tracks and stories.

Frank W. Ockenfel John Mayer recently assumed the role of guest DJ on SiriusXM’s Grateful Dead Channel (23). During his time ...