Music Midtown returns this weekend for its sixth year at Piedmont Park in Atlanta. The two-day festival has changed a lot since it was founded in 1994 by veteran music promoters Alex Cooley and Peter Conlon. This year’s lineup features a noticeably younger cast of artists, including DeadMau5, Kesha, and Atlanta-born soul singer Leon Bridges. We speak with Music Midtown co-founder Peter Conlon, who also serves as president of Live Nation Atlanta (which produces the festival), about the future