Joe Nichols will sing the national anthem Sunday (April 29) prior to the Aaron's 499 at Talladega Superspeedway in Talladega, Ala. The Nextel Cup race will be broadcast nationally on the Fox network at 1:30 p.m. ET. Jeff Foxworthy will serve as grand marshal of the race. Nichols releases his new single, "Another Side of You," on May 7. It's the first track from his new album that's tentatively set for a late summer release. His most recent single, "I'll Wait for You," reached Billboard's country Top 10. Foxworthy recently hosted the 2007 CMT Music Awards and is the host of Fox's Are You Smarter Than a 5th Grader.