Eric Church, Miranda Lambert, Brantley Gilbert and Charlie Daniels are among the artists scheduled to perform at the Illinois State Fair in Springfield this summer. Church will be joined by Aaron Lewis, the lead singer of Staind, who is pursuing a country solo career, on Aug. 10. Lambert will perform with the Pistol Annies on Aug. 18, with an additional artist to be announced at a later date. Gilbert and Daniels will appear Aug. 14. Online tickets go on sale May 12. The box office opens the second week in June.