Character replicas line the “Yellow Brick Road” at the Midwest Wizard of Oz Festival in this file photo. The three-day fest will be held Friday through Sunday in Tinley Park. A Chicago Bulls ...

Tickets for the July 12 Mayhem Fest at the First Midwest Bank Amphitheater in Tinley Park go on sale at 10 a.m. Friday. Billed as the world’s biggest heavy metal touring festival, this year’s ...