Epilogue (Halo 2)

Are you looking for the Halo 3 Multiplayer Map, Epilogue?

Epilogue is the twelfth and final track from the Halo 2 Original Soundtrack Volume 2.

It runs for 3:49 and contains the scores "Epilogue", "Beholden", and "Road to Voi" which run for 1:03, 2:19 and 0:27 respectively. The Chapter, "Road to Voi", serves as a hint to gamers that Halo 3 would have content related to Voi. The whole soundtrack was played in the ending credits in Halo 2.