Often times, music is used to evoke an emotion and it's become a cliche, so I don't want to do that, and actually what I do, is that emotional intensity that has developed throughout the film, I allow it to get released by having that music at the end with the credits.
“I'm fascinated with worlds where there's a small population left, whether it's a movie or these TV shows that fascinate me - 'Falling Skies' or 'The Walking Dead' - they are about survival and triumphing over difficult times. I just have a thing for 'em.”