Australian country star Keith Urban will kick off the upcoming American Football season by headlining the 2013 Nfl season pre-game Tv special. He'll perform live before the big game between Super Bowl winners the Baltimore Ravens and the Denver Broncos in Colorado on 5 September (13). Urban has a busy autumn (13) ahead of him - last week (ends02Aug13), he confirmed he will return to judge American Idol for a second season.