Home Jambase Bob Weir Fronts Jam Band All-Stars At Private Bay Area Benefit ShowNational Music NewsJambaseMusicBob Weir Fronts Jam Band All-Stars At Private Bay Area Benefit ShowMay 20, 2017238FacebookTwitterPinterestWhatsApp Bob Weir fronted an all-star jamband last night at a private benefit show for Heroes Rock in Mill Valley, CA.