song at the VERY end of the film?

I'm curious if anyone can tell me what the very last song to play is called?

It sounds like an orchestral score remixed with some modern breakbeats thrown over it, reminiscent of something by The Avalanches (but definitely not by them). I'm pretty sure it's by Chris Joss, who did a few other songs on the soundtrack, yet the song I'm looking for isn't featured on the album; I listened through the whole thing on Grooveshark. I find it strange that the song wouldn't be listed at all...