Chicago Open Air 2019 Lineup December 11, 2018 by breezerocksConcerts, Metal (Last Updated On: December 11, 2018) OH MY GOD. Chicago Open Air, Code Orange, In This Moment, Metal, Metal music, music, System of A Down, Tool Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pinterest (Opens in new window)Like this:Like Loading... breezerocks Leave a ReplyCancel ReplyYou must be logged in to post a comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.