Mystery. Betrayal. Men who voluntarily go by the name "Tracer Tong." These are just a few of the things that made Deus Ex - one of the first RPG/shooter hybrids and an enduring example of PC-gaming superiority - great. And with Deus Ex: Human Revolution looming large at E3 next week, we can't help but wax a little nostalgic about them, particularly the one thing that's arguably lasted longer than anything else in the minds of Deus Ex fans: its music.