Mystic Cave Zone (Simon Wai Prototype) - Sonic the Hedgehog 2

"Mystic Cave Zone (Simon Wai Prototype) - Sonic the Hedgehog 2" is a high quality rip of the Simon Wai prototype version of "Mystic Cave Zone" from Sonic the Hedgehog 2.

Joke
At 0:02, the melody changes to the World 2 final level theme from The Fancy Pants Adventure, a Flash game whose second world was released in 2008.

At 0:38, the track loops.