Matt Giraud Performs at the Oklahoma City Basketball Game 01/01/2010 mj santilli American Idol, Matt Giraud 8 Matt Giraud performed the National Anthem before the Oklahoma City Thunder basketball game on New Years Eve, 2010. He also performed a few tunes at half time. Nice job with the Anthem Matt. Check it out above. I’ll update this post with the half-time performances as soon as they are available. Matt Giraud