[@NewSun] Well if it only responds to sound and music, my first guess for design is that it would be blind. Something like [url=http://gearsofwar.wikia.com/wiki/Berserker]this[/url]. But as to whether it's bipedal, quadriped, humanoid, animalian, whatever, that's anyone's game. I'm high 'n dry on ideas right now.

Oh I have a post up by the by