Osiris Suite, Act 1

Osiris Suite, Act 1 is the thirty-sixth track of the Halo 5: Guardians Original Soundtrack. The first portion, homaging Opening Suite from Halo: Combat Evolved, is heard briefly during the second cutscene of the level Blue Team, while the second portion plays during Fireteam Osiris's return to the UNSC Infinity. The final portion plays during the Mantis run in the final level Guardians.

Trivia

 * This song is also used in the M12S Warthog CST's trailer for Forza Horizon 3.