^have you beaten the campaign yet? or are you just trying to go straight into MP?
i really dig the terran soundtrack. there's one track in particular where everyone kind of takes turns letting loose and i always wondered 'who the HELL is playing that?' (around 2 minutes in)
YouTube - Starcraft 2 Soundtrack - Terran 01
freaking Tony Levin! and a bunch of other people i can't remember right now.
they didn't cheap out in making this game haha