Heliopause

Heliopause is the thirty-eighth track (Disc 2 Track 21) in Halo: Combat Evolved Anniversary: Original Soundtrack.

Overview
The track is an arrangement of the Halo Theme Gregorian chant variation in Opening Suite from Halo: Original Soundtrack. The chant was also featured in the earlier track Random Slipspace Trajectory, the Anniversary rendition of Opening Suite.

Appearances
The track plays in place of its original Opening Suite section in Halo: Combat Evolved Anniversary, during the opening cinematic of the level The Pillar of Autumn, when John-117 is released from his cryo chamber.