By Denny Dyroff,  Entertainment Editor, The Times  A very special musical event is taking place at the Lansdowne Theater (31 North Lansdowne Avenue, Lansdowne, thelansdownetheater.com) this weekend. On November 29, the popular venue in Delaware County is hosting symphonic rock pioneers Annie Haslam and Jim McCarty performing “The History of Renaissance.” The two music veterans have a...