Halo: Combat Evolved Anniversary Original Soundtrack
From Halopedia, the Halo wiki
The Halo: Combat Evolved Anniversary Original Soundtrack is a musical album which was released on November 15, 2011. A remixed version of the original Halo soundtrack, the music was re-recorded and produced by Skywalker Sound. A special 2,000-edition vinyl version of the soundtrack was also released on December 20th, with an added download code for the entire full-length digital album.