Finish the Fight Album Length Composer Producer Previous song Next song [Source] • [Talk] Finish the Fight is a song included in the Halo 3: Original Soundtrack. It plays during the Halo 3 Announcement Trailer and is 2:27 long. Martin O'Donnell, the composer of the song, discussed this piece with Chris Anderson of the Wired Magazine on April 23, 2007 here.