OK, I figured it out. It was working but I needed to use the arrow keys and the mouse to move to find the right view. If you are too far away the land disappears.
I would use this if it didn't have the twitter/fb limitation. I hate being forced to have twitter and facebook to get into other websites. The UI looks excellent though, good work!
It is hard to say. It seems like some of the frameworks, for example jQuery, are making it easier for people to start using javascript, but could also be limiting the extent that they are actually learning javascript.
Great links!! I have my own music app that I'm building for personal use. Here is a jQuery plugin you might want to check out for the player: http://www.jplayer.org/
It looks like the clip should always be random since it will be the last clip that someone chose to post. I don't like it that this site requires you to use a facebook id but, that is probably a good way to control a site like this.