Woah! I didn't realize there was a official release of the game's soundtrack!
Found this at Game Informer

1 Intro
2 Metal Arms
3 Swarmer Attack
4 Rat Race
5 Droid Town
6 Mil Attack
7 Lost City
8 Fight to the Death
9 Hold Your Ground
10 Meeting of the Minds
11 Night Vision
12 Final Battle
13 Recycle

http://www.gameinformer.com/News/Story/200312/N03.1209.1814.56850.htm

-256 BitRate
Enjoy!=)