For those of you who have never played tLoZ: Majora's Mask, I'd just like to share this.
The basic story of the game is that the moon is going to crash into the planet in three days, so the protagonist has to keep going back in time to try and save it.
This is the music in town in the game. It's cheerful on day one, rushed on day 2, and genuinely terrifying during day 3.