Where's the YouTube Rock Band?

I wrote in my Education blog about the YouTube Orchestra. I think this is a great idea and wondered if anyone has ever done anything similar with a Blues or Rock band?

I'd heard of eJamming AUDiiO which apparently lets musicians collaborate in real time over the Internet. However, recording video separately and then mashing it together to create a group video would seem to be a low tech alternative. Clearly, there are timing and tuning issues, not to mention video editing problems, but with a bit of good will and effort from all involved it should be possible. Certainly, this chap has managed to do it:

Are there examples of amateur musicians cooperating to create music together in YouTube or elsewhere?