make guesses for the trailers soundtrack
I'd say it might be a slower, desperate and more painful voiced A-capella version of
http://www.youtube.com/watch?v=O7hYbSSna5U
might be really good and fitting. just look at some of the lyrics :D
At first I was afraid
I was petrified
Kept thinking I could never live
....
And so you're back
From outer space
....
It took all the strength I had
Not to fall apart
On his way down past each floor,
he kept saying to reassure himself
So far so good...