CONTRIBUTED PHOTOWhy Don't We, 7:30 p.m. Aug. 31, Fairgrounds Grandstand, Allentown Fair. Opening the concert are Max and Eben. Why Don't We formed in 2016 after Jack Avery, originally from Susquehanna Depot, Susquehanna County, and Daniel Seavey, Corbyn Besson and Jonah Marais, each of whom had released solo tracks, met in Los Angeles. Why Don't We released its debut single “Taking You,” in 2016,