Jake Owen and Josh Turner are among the country artists appearing at the Oklahoma State Fair in Oklahoma City in September. Owen will perform on Sept. 23, followed by Turner’s closing concert on Sept. 24. The Eli Young Band will open the music series on Sept. 16. Concerts are free with the purchase of gate admission to the fairgrounds. Additional performers include Grand Funk Railroad, MC Hammer, the Marshall Tucker Band, Matt Morris and Mitchel Musso.