High Quality Content by WIKIPEDIA articles! The Halo 3 Original Soundtrack is the official soundtrack to Bungie Studios` first-person shooter video game Halo 3. Most of the original music was composed by Martin O`Donnell and Michael Salvatori, but also includes a bonus track, "LvUrFR3NZ", which was the winning entry in a contest held before the soundtrack`s release. The 2-CD set was released on November 20, 2007.