The Tribune reports that Kirchhoff was with two friends at the Aragon Ballroom's second-floor balcony when they wandered through a door and found their way to a catwalk where they were able to watch the show.

After a while, his friends noticed Kirchhoff wasn't with them and they found his body below. He had fallen around eight feet onto two metal rods which wounded his chest.

The show was stopped and he was taken to Weiss Memorial Hospital where he was pronounced dead at 10.54pm. On their Facebook page, Chevelle say: "To our fans, as you may or may not have heard, an extremely unfortunate event occurred at our show in Chicago Friday night.