https://www.loudersound.com/news/slipknot-disturbed-and-more-sign-up-for-chicago-open-air
Slipknot, Disturbed and more sign up for Chicago Open Air | Louder
Feb 16, 2016 - Festival organisers announce series of acts to join previousluy announced headliners Rammstein
sign up forchicago open airand moreslipknotdisturbed
https://www.loudersound.com/news/chicago-open-air-announces-first-headliner-1
Chicago Open Air announces first headliner | Louder
Feb 9, 2016 - And Rock On The Range adds more names
chicago open airannouncesfirstheadlinerlouder
https://loudwire.com/2016-chicago-open-air-festival-set-times-revealed/
2016 Chicago Open Air Festival Set Times Revealed
Heading to Chicago Open Air? Map out your music viewing weekend as the set times and stage assignments are set.
chicago open air2016festivalsettimes
https://chicagoopenair.com/
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Chicago Open Air Presents | May 18 + 19, 2019 | Bridgeview, IL | Tickets On Sale 12/14 at Noon CT
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