Headbanging makes you feel closer to God because your brain bounces back and forth inside your skull.
http://www.youtube.com/watch?v=AHb4gs1hwck
Getdown!
Update: Angle of Death (Radio Disney Version) …Thanks @davidherrold
http://www.youtube.com/watch?v=eHo6I_AFCzo
And what the heck, how about some Death Metal Rooster while we’re at it…