Iron Maiden and Megadeth co-headline a concert at the Credit Union 1 Amphitheatre in Tinley Park, Illinois, bringing two of heavy metal’s most influential acts to one of the Chicago area’s largest outdoor music venues. The bill pairs Iron Maiden’s landmark New Wave of British Heavy Metal sound with Megadeth’s thrash-metal legacy, making the show a high-profile event for metal fans across the region. The outdoor amphitheatre setting draws attendees from Chicago and surrounding suburbs for a major live-music experience.