Sunday's  Super  Bowl matchup between the Green  Bay Packers and the Pittsburgh   Steelers has a lot more going on than just football and music. All   manner of unusual things occur this week, but myths also abound. Here's a   look at how the Super Bowl had an impact in TV and beyond, including: 
National anthem performers
Let's start with  the national anthem. The singer who has the honor  of singing "The  Star-Spangled Banner"  at the Super Bowl has one of the biggest musical   stages each year. 
Powerhouse  vocalist Christina   Aguilera is doing the honors this year, but here are some of the  best  Super Bowl national anthem performances:
The Black  Eyed Peas  will "get it started" at halftime this year. Here are the  performances  for the most recent shows:Halftime performances
2010: The Who
2009: Rolling Stones
2008: Tom Petty & the Heartbreakers
2007: Prince
2006: Bruce Springsteen
2005: Paul McCartney
2004: Janet Jackson & Justin Timberlake (in "Nipplegate")
A special TV show & Super Bowl movies
TVFOX, the network airing the Super Bowl, will air a special edition of "Glee" following the game. It has a Michael Jackson theme.
Myths & truths about the day
With Super Bowl revelry comes more drinking, and police in some  cities increase DUI patrols and launch public-awareness campaigns to  warn people not to drink and drive. Here are other possible trends  during Super Bowl weekend:
Heart attacks:  People get so worked up about their teams that they may have heart  attacks.
Myth or fact?
Myth or fact?
Domestic violence: It has long been said that  spousal  abuse increases around the Super Bowl.
Myth or fact?
Myth or fact?
Pittsburgh and Green Bay
Statistics from the U.S. Census  about the towns of the competing teams  show that the cities aren't very different:






 

