[youtube]Zc2VapNISNk[/youtube]
Also, I have written a new blogpost that gives a lot more background information on how it works and why it works this way:
Blogpost: How the cello controls the game in Cello Fortress

Next step is to finally start working on the graphics. I have some cool shaders and effects in mind (tilt shift, woohoo!), so hopefully this will result in some nice pictures that show the strength of the Ogre!