Playing notes simultaneously?{MPC&Midi Controller}

Sup. My MPC is on the way and due to arrive soon. I've read in the MPC Tutor manual that i can trigger notes both on my keyboard/midi-controller and my MPC at teh same time. Does this also apply to a midicontroller running fruityloops or cubase? I'm sure I could read about it again but i havent even bought teh midicontroller yet. Is there any way i could have the MPC trigger sounds i load onto it and sounds in cubas simultaneously? Like stacking sounds but never stacking them literally so they could be pulled apart later and individually mastered. I'd like to layer piano sounds and work on MOLEMENlike production. Sorry for the questions but I'm trying to digest all I can before I even get my fingers on it. So to sum it up. Layering notes. Techniques? Set-Ups? Styles? Stacking sounds instead (the broke mans route)? Feel free to answer, give me links to information, tell me what pages to reread in either Akais manual or the MPC Tutor reading materials. THANKS!

(2000XL-MCD, Cubase, FL, REASON, ACID, AUDITION, DECKS...if that helps)

Thanks