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Glen Campbell (pictured) and Ronnie Milsap will perform at Ravinia on June 28, 2012.
Tickets went on sale Thursday, April 26, for Ravinia Festival's 2012 summer season. The Ravinia 2012 season includes 120 events from June 7 to Sept. 9, featuring classical, chamber music, rock, R&B, jazz, country, dance, world, kids concerts and the summer residency of the Chicago Symphony Orchestra. Read more.