The music does an awesome job of highlighting the immensity of the boss and speeds up and becomes more industrial as you progress. The classic Underground theme is remixed into this mechanical-sounding theme for the Eternal Engine levels. It is also reused in Super Mario 3D Land.

Super Show!, a different, unrelated set of lyrics were penned for the song's appearance as the show's credits theme. For the 1989 animated television series The Super Mario Bros.