I thought of something last night before I went to sleep. I had work today, so was unable to get to a computer to check, and it's been bugging me all bloody day. In the movie "Avatar", there's a particularly striking theme that plays in the soundtrack when the big tree falls. It stuck in my head. Last night it found a friend in there, and I suddenly realised where I'd heard it before.
[link] -- skip to 5:40
It's a bit of a stretch, but tell me I'm not on to something here.
EDIT: It is true. A Mr. KrazyKubano of Starpost forums came to light with this astounding evidence earlier today: [link]