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Of course, there's always the classic fallback for creepy stuff... Silent Hill. I know the first game has plenty of brick-shittingly creepy ambient stuff. The others kinda moved towards more musical stuff, but still have some of the ambient stuff, too.
If you go to Galbadia Hotel and find out silent hill, you could probably find the music(s) you're talking about there and lemmie know the track name so I can check it out.
@Boucy: It's good, but I think it needs less "windyness" if you know what I mean. And less random spooky sounds like the voices and whatnot. The ghouls will pretty much cover that