They couldn't take the sky from them, our Big Damn Heroes made a film!

scribewraith pointed this out, and I'm passing it on.

I'm Gonna See Serenity is a fansong by Dan Sehane. Not only are the lyrics fun and fannish, it's also a really, really sing-able tune. I've had it playing loudly on repeat since I downloaded it an hour ago.

( Lyrics, in case you want to sing along... )