Willie Nelson and Sara Evans are among those scheduled to perform Sunday (Feb. 3) during activities surrounding Super Bowl XLII in Glendale, Ariz. Evans will perform a full set for VIPs during a tailgate party outside the University of Phoenix Stadium before joining Nelson during his concert to sing "Mammas, Don't Let Your Babies Grow Up to Be Cowboys." The duet will be televised on the Fox network's pre-game show. Alicia Keys will perform a pre-game concert on the field, and American Idol winner Jordin Sparks will sing the national anthem prior to the Fox telecast of the game. Tom Petty & the Heartbreakers will provide a 12-minute performance of their hits as the featured entertainment during halftime. Kickoff is at 6:17 p.m. ET ... In related news, Trace Adkins will perform "I've Got My Game On" during the 14th edition of Howie Long's Tough Guys: Super Bowl Edition airing Sunday at 1:30 p.m. ET on Fox.