From Halopedia, the Halo wiki
Album:
Halo 5: Guardians Original Soundtrack
Composer(s):
Kazuma Jinnouchi
Length:
1:20
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Skeleton Crew
Next:
Enemy of my Enemy
Siren Song is the seventeenth track of the Halo 5: Guardians Original Soundtrack. It plays in the opening cutscene of the level Reunion, during the scene aboard the UNSC Infinity discussing the plan to head to Sanghelios.