I never really listened to much of chiptune stuff before pony. It sure did grow on me quickly though!
We also have some EVIL RARITY from Dr. Dissonance, and a song that is guaranteed to make your eyes droop and speech slow to 1/3rd it's normal rate. Make sure you grab some headphones though.
1.) Interrobang Pie befriends StormWolf - Dedede Invades Equestria
2.) Rarity is Evil!
3.) tree of memories