That one song actually made me buy all of Louis' CD's. I'm still very gratefull to BI they used that song... It opened up a whole new world for me; and I'm a heavy Armstrong fan now.
Plus, you have no idea how good blues is when it comes to settin' the mood for... You know...
Modoc's theme music is cool. There's something so nice about that music, fits the town perfectly. Can't forget the car theme too.
However, the most memorable for me is the Brotherhood of Steel's music theme. I love hearing those sounds of military drums and the sirens in the background of the music. They really feel like an old relic from some long forgotten disaster of the past. 8)