This is a pretty good collection of some music you don't hear everyday, it's thought provoking just like the film was.
The Standout tracks -
It's a good day by Peggy Lee
I wish I become a ghost by The Deadly Syndrome
Genius by Inara George
Mandolin Rain by Bruce Hornsby
Invisible by Bruce Hornsby
Although the songs are sung in a similar key, it still makes for an interesting compilation.