The Halo 2 Original Soundtrack's success was pointed to as a sign of increasing legitimacy of video game music in the entertainment industry, which had graduated from "simple beeps" to complex melodies with big budgets.
Halo 2 Original Soundtracks framgång tillskrevs tecknen på en ökande legitimitet av datorspelsmusik i underhållningsindustrin, som hade gått från "enkla beeps" till komplexa melodier med hög budget.