First Step

First Step is the twenty-eighth track (Disc 2 Track 11) in Halo: Combat Evolved Anniversary: Original Soundtrack.

Overview
The track is an arrangement of Perilous Journey from Halo: Original Soundtrack, albeit being a full orchestration of the track and shorter in duration.

Appearances
The track plays in place of Perilous Journey in Halo: Combat Evolved Anniversary:
 * In the level The Pillar of Autumn, after John-117 encounter the first group of Covenant to board through the use of the lifeboat airlocks.
 * In the level Assault on the Control Room when John-117 comes across the last group of Marines of Fireteam Zulu, and lead them to their eventual location to be evacuated.
 * At the beginning of the level Two Betrayals as the Aggressor Sentinels attack John-117 in the control room.