As part of its 40th anniversary season, the chorus will present its Summer Show at 3 p.m. on July 12 at Lassiter Concert Hall in Marietta. In addition to the full chorus, local quartets, Classic Cuts, Fourmation, and Avoid the Frogs (ladies’ quartet) will be performing. The performance promises an afternoon of Barbershop harmony, humor and heartfelt entertainment.For tickets and more information, visit BigChickenChorus.org.