Epilogue (Halo 2)

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

Epilogue is a Halo 2 track from the Halo 2 Original Soundtrack Volume 2.

It contains the scores Epilogue, Beholden, and Road to Voi, and runs for 3:49. 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.