It's on VH1 right now, and here's a direct link to it on Youtube:
http://www.youtube.com/watch?v=NRr37...x=0&playnext=1 (it's in multiple parts)
I love seeing George Martin mess around with the separate tracks, hearing certain things individually. And then of course it makes me wonder about how difficult it will be to get the earlier songs out as DLC. But anyway, very cool documentary.