The big event at this year’s Marion County fair happens tonight in Knoxville. County Music duo Steel Magnolia will be performing live at the grandstand with opening act Nine Miles North. Steel Magnolia is the season two winner of County Music Television’s talent show “Can You Duet” and was nominated for two CMT awards including Duo of the Year and Breakthrough Video of the Year. The concert will take place at the grandstand beginning at 6pm. Tickets will be available at the door for $15 for adults and $10 for children age 5-12.