Spring motors in triple XL Giant's music Box Project

[Puck the WaltQueen]

I have a project that I'm planning, as you can tell it's a giagantic sized Steampunk styled music box. I'm pretty much sarting from the ground up in this situation. I know very little about music boxes, and I have even less on an idea of where to find materials. So here's my basic question for the offical day1 of The Giant's music box Project.

Where can I find or how do I make a huge spring motor with enough torque to spin a person like a music box doll.