Bear with Me

"Rocket Battle" is a song in 's Return of the Mammalians and plays during the battle against Mr. Grizz on The Spirit Lifter.

Description
Rocket Battle is a climactic track which plays during the battle against Mr. Grizz on The Spirit Lifter. The main melody is derived from that of Happy Little Workers, another song associated with Mr. Grizz. The full song is divided into three phases like the boss battle itself, and transitions from one phase to the next by fading between them without restarting.

The first phase is polytempic, with the accompaniment track being slightly slower than the main melody by a ratio of 31:32 (which means every 31 beats on the accompaniment has the same time length as 32 beats on the main melody, making it 122.0625 BPM).

Part of the second phase contains the melody from a segment of Fishing Frenzy.

The music is heard to go from softer to much more loud/aggressive.