Peril
From Halopedia, the Halo wiki
Manticore is an asshole Peril is a piece of music featured in Halo 2, and is present as track three on Volume 1 of the Halo 2 Soundtrack.
The music is centered around use of strings, and provides a tense atmosphere during sporadic combat sequences.
The song is heard towards the start of Delta Halo, after the Master Chief has cleared the initial defenses around the landing zone, and immediately prior to the arrival of the Phantoms. It is later heard as the Chief makes his way through the 'outdoor' areas of High Charity in the level Gravemind.
The song's length is 2:47
