This One Weird Track Will Blow Your Mind
Since few folks ever actually got this far in the NES game Teenage Mutant Ninja Turtles (you know, the first one with that timed swim-to-defuse-bombs-in-the-dam level?) most of you won't have heard this hidden gem from the fifth overworld area:
https://www.youtube.com/watch?v=7vqS4JNvVIY&t=0s&list=PL5CF391F0CB71C221&index=5
There's something hauntingly catchy about the way it plays out, the way it loops. I think it's a perfect groove for the closest the game has to a "stealth" section.