Part of the Problem
From Halopedia, the Halo wiki
Part of The Problem is the twentieth track in Halo Wars: Original Soundtrack.
The track opens with synth ambiance, with a short melody by bass guitar. Woodwinds enter with short notes, with bass guitar, which repeats its melody. The instruments pause briefly, with a variation of the Halo Theme cutting in. Bass guitar returns with strings, and the two parts build up to a climatic ending. Woodwinds return with its short notes, followed by the bass guitar. They reprise their respective melodies before fading out.