Kellz sings the U.S.A. national anthem in Washington, D.C.
NBA season 2001-02, game: Washington Wizards vs. Philadelphia 76ers (Nov 3, 2001*).
*If my source is wrong, then feel free to comment...

Uncut video:    • Video  
[Edit:] Since the original upload isn't available, here another link:    • Wizards Home Opener 2001, 9/11 Tribut...