joe and eddie ( joe gilbert and eddie brown ) , folk singers greg 'curly ' keranen , 1973 - bassist , the rubinoos , jonathan richman and the modern lovers stephen '' doc '' kupka 1964 founding member/baritone saxophone of tower of power phil lesh , 1957 - grateful dead bass player jesse michaels - son of writer leonard michaels , most notably the singer of the east bay punk band operation ivy , common rider lenny pickett - saturday night live saxophone player julian waterfall pollack , 2006 - jazz pianist thomas pridgen - current drummer for the mars volta joshua redman , 1986 - jazz musician david ellis , 1985 - jazz musician geoff tyson - acclaimed guitarist and record producer .