Want to have a genuine wasteland ringtone? Yes! In that case it's no problem, because Microsoft's community man, Major Nelson, has made some available for free.
You can get bring a touch of Mysterious Stranger to your phone, with audio taken from a perk that spawns a temporary companion wearing a trench coat and hat. His appearance comes with a short musical introduction, noir-themed classical piano or guitar.
You can fetch the regular MP3 files used by Android devices or M4R files used by iPhones by hitting the respective links.