The Penn State Beaver Brodhead Cultural Center will close its 37th summer season of programming with a free concert presented by the Joe Grkman Polka Band at 7:30 p.m. Tuesday, Aug. 27, at the J.P. Giusti Amphitheater. Prior to the show, the Beaver Valley Area Chapter of the Penn State Alumni Association will sell Penn State Berkey Creamery ice cream from 6 to 7:30 p.m. Proceeds will benefit the Alumni Chapter’s scholarships for Beaver campus students.