MARQUETTE, Mi. (WZMQ) – The Lake Superior Theater opens its production of Mamma Mia on July 8th at the Boat House Theaters, 7:30 P.M. This musical is based on Abba music, following the coming of age story of Sophia Sheridan and the love story of her mother Donna Sheridan. This show is an ensemble-heavy show, … Continue reading Lake Superior Theater’s production of Mamma Mia opens tomorrow night