LIVE on stage! – Keller Auditorium, Portland, OR – Friday, November 28 – 7:30 PM. Tickets available NOW at Portland5.com MANNHEIM STEAMROLLER CHRISTMAS by Chip Davis has been America’s favorite holiday tradition for 40 years! Grammy Award winner Chip Davis has created a show that features Mannheim Steamroller Christmas classics in the distinctive Mannheim sound. The program includes 15 musicians playing more than 20 instruments against a backdrop of dazzling multimedia effects – capturing the sp