The next performance in the Hot Summer Nights concert series is The Twins of Franklin, featuring fabulous vocal harmonies and many favorite melodies like you’ve never heard them before. The concert starts at 7 p.m. Thursday, July 25, at the Fond du Lac Tribal and Community College amphitheatre and will be held indoors in case of rain. Otherwise, it’s bring your own chair or blanket. Delicious food will be available for purchase.