Saturday, August 22, 2015, noon – 5 p.m., Gates open @ 11 a.m. Philipsburg's Outdoor Amphitheater Winninghoff Park Philipsburg, Montana This year’s Aber Day Reunion Concert will be held in place of Philipsburg’s annual Philipsburg Summer Concert. The non-profit Rotary has teamed up with the Missoula Liquid Assets Corporation, the original organizers of the Kegger, and