Chicago Open Air // Live @ Toyota Park // 7.14-16.17 CONCERT REVIEWS FEATURED MUSIC by Linda Carlson - August 3, 2017August 3, 2017 Article and Photos by: Linda Carlson CHICAGO, IL - Chicago Open Air is a young festival, with this summer’s July 14-16, 2017 event marking the second year of what promises to be an ongoing annual heavy metal extravaganza. Two stages featured 40 performances by heavy metal heavy hitters, including headliners KISS,