The Gun Pointed at the Head of the Universe
From Halopedia, the Halo wiki
The Gun Pointed at the Head of the Universe is the eighth track in Halo: Original Soundtrack.
It is composed nearly entirely of percussion, only having a deep bass note towards the middle of the piece and some vocals at the end of the piece. The rest of the sound is produced by a combination of drums, auxiliary percussion and hand-clapping, which is usually unheard of in many tracks written for Halo.
The track can be heard:
The track has been arranged into the following: