Hitman 2
No contest really; if we don't count some ambient works by Eric Brosius. Jesper Kyd is a brilliant composer and the choir doesn't hurt either. I could go on and on what's so great about it.
Edit: For those lacking in the board humor department; I tried to point out that there really is a general forum for gaming topics. Any gaming. Kafty is right.
If I were you, don't take it wrong I wouldn't want to be, I'd try and avoif putting my messenger handle and email address in the open. Or at least use it in this form: 'raypoz8 at hotmail dot com'