Chicago Open Air was an annual concert held in Bridgeview, Illinois that featured several rock and metal acts. Beginning in 2016, the festival got a lot of recognition as it was Rammstein's only US performance that year. It is held at Toyota Park.[3][4]Korn debuted the new single "Rotting in Vain" on July 16, 2016 at Chicago Open Air.[5][6]
The first concert was held from July 14 to July 17, 2016.[1][2] The 2018 festival was cancelled, but the festival returned in 2019. It was announced via email in late 2019 that the festival was on hiatus for 2020.