By Denny Dyroff, Entertainment Editor, The Times Roger McNamee, a talented musician and tech entrepreneur from the San Francisco area, lived for a while in Delaware County and is a die-hard fan of the Philadelphia Phillies. Unfortunately for him – and for fans of his Bay Area band Doobie Decibel System – McNamee rarely gets to … Continue reading On Stage: Doobie Decibel System Trio is back in Philly