Lighting a large room like this can be daunting. First what's your budget? I mean does your job have enough money to rent the rigging (pipe, trusses, trees) lights, dimmer packs, dimmer board, Socopex cable, and the crew to rig it?
If you don't have money to do that you may want to find a place that does have it's own lighting system, dimmer board and some lighting. With most of that work done, you can easily add a few of your own lights to spruce things up.
But I would say the lights you would need are par can's and lekos mostly. Also you can add stobes and moving lights if you have the budget. And then you may need and dimmer board guy/lighting designer with some experience to program your console to go along with your scene. Unless you are really good at it.
You may want to think about a dimmer console that can work with sound playback so your scene is repeatable.
Edited by timHealy, 09 May 2013 - 09:12 PM.