The Halo Original Soundtrack sold over 40,000 copies, and was followed by two different releases of the music to Halo 2. The two volumes of the Halo 2 Original Soundtrack were produced by Nile Rodgers, with the first album being released in sync with the video game in 2004 and became the best-selling game soundtrack of all time. The second album was released more than a year after the soundtrack had been mixed and mastered.
The successful Halo Original Soundtrack sold over 40,000 copies, leading to two separate releases of its music for Halo 2. Two volumes of the Halo 2 Original Soundtrack were produced by Nile Rodgers, with the first one coinciding with the video game's release in 2004 and setting a new record as the best-selling game soundtrack ever. The second album was released significantly later than the original.