Got an amp and speakers? They help with play back.
Tell me more about what you got, then I may know how to make it fly. At least someone here will/should.

i have the presus firestudio prject interface. and yes i have speakers and headphones :)

You have WHAT?

First of all you should read the manual. It's there. Check the install disk for a pdf manual if they didn't include a hard copy.

You need to load a VST instrument for that track and make sure that the track output through that VSTi.