Disturbing VG music.

Somehow, the inferior sound quality makes it creepier than the PC version.
This one's disturbing... Until you notice its similarities to the Space Invaders BGM. Fitting, since the boss of that area is speculated to be an alien.
Yeah, Symphony of the Night has a few of these.
 
While I'm at it, I might as well go ahead and post these.

 
Oh man. This part. The only time I've ever felt uneasy in a Nintendo game. The AU's creepy voice didn't help much, either.
 
[youtube]http://www.youtube.com/index?desktop_uri=%2F&gl=GB#/watch?v=TSdftMFPnJY[/youtube]

I don't get how they made this creepy.