The initial lineup has been revealed for this year’s iHeart Radio Music Festival. The event will take place at T-Mobile Arena in Las Vegas, NV on September 22-23 and will feature: Foo Fighters, Fall Out Boy, Kelly Clarkson, Kane Brown, Lil Wayne, Lenny Kravitz, Miguel, Public Enemy, Sheryl Crow, Tim McGraw, TLC, Thirty Seconds To…