Darryl Worley will perform a concert Sunday (March 18) prior to the Kobalt Tools 500 at Atlanta Motor Speedway in Hampton, Ga. The NEXTEL Cup race will air on the Fox network at 1:30 p.m. ET. Worley will also sing the national anthem at the event. The performances follow a Friday (March 16) night appearance at Wild Bill's in Duluth, Ga., a suburb of Atlanta.