Danse Bacchanale by Saint-Saens

Because it's a band nerd tradition.

With Sympathy by Steve Jablonsky - Gears of War 2 Soundtrack

This song is at the most moving part of the game--well, as moving as a game can be when the point is blow grubs up. But blasting this song is intense and awesome.

Work by Jimmy Eat World

It's Jimmy Eat World. 'Nuff said.