Home Jambase Tom Petty & The Heartbreakers Guitarist Mike Campbell Guests With Bearly DeadNational Music NewsJambaseMusicTom Petty & The Heartbreakers Guitarist Mike Campbell Guests With Bearly DeadJuly 21, 2017228FacebookTwitterPinterestWhatsApp Legendary guitarist used a night off in Boston to sit-in on a pair of Grateful Dead classics with Bearly Dead.