Template:Infobox song In The Substance Of It is a track included in the Halo: Combat Evolved Anniversary: Original Soundtrack. It is heard several times during the Halo: Combat Evolved Anniversary campaign, including The Library. It runs for 1:21.
Template:Infobox song In The Substance Of It is a track included in the Halo: Combat Evolved Anniversary: Original Soundtrack. It is heard several times during the Halo: Combat Evolved Anniversary campaign, including The Library. It runs for 1:21.