Balrog's Theme (Beta Mix) - Cave Story

"Balrog's Theme (Beta Mix) - Cave Story" is a high quality rip of the Beta mix of "Balrog's Theme" from Cave Story.

Joke
The melody changes into the song "Bonetrousle" from Undertale.

Trivia

 * This is a reference to the fact that both of Papyrus' themes, "Nyeh Heh Heh!" and "Bonetrousle", took inspiration from "Balrog's Theme".