One level of this game has you set on the north pole, a powerful weapon being revealed if you shoot Santa's house down...
A feat which is hard to accomplish from mid-air there, Grimm.
The soundtrack in this level never really stuck out to me until one day someone pointed out to me what it was. I'll give you two hints.
That's right, it's Rob Zombie playing Jingle Bells. Check this shit out. Well, not really Jingle Bells so much as a Jingle Bells remix of More Human Than Human.