I think this year's National Anthem singing is why the "Mute" button was invented...;o]
http://www.freerepublic.com/focus/f-news/1338346/posts
Star Spangled Banner from Superbowl XXXIX Video (Windows media player Friendly)
Superbowl XXXIX | 02/06/2005 | Fox Network (11) Los Angeles
Post 2 link to video of last year's great rendition..I played it 3 times to get the memory of this year's out of my head.
The very worst rendition was Roseanne Barr at a baseball game!