I can't even comment any further on that.
It's Carlos Boozer and Twista, feat. Mario Winans, on "Winning Streak."
First time this played at the UC, it resulted in the end of the Bulls' playoff winning streak. Coincidence? I hope so.
http://blogs.thescore.com/tbj/2011/05/19/finally-carlos-boozer-rocks-the-mic/