Halo Wars Bonus DVD
From Halopedia, the Halo wiki
From the Halo Trilogy: The Complete Original Soundtracks the Halo Wars bonus DVD that contains four preview music tracks tracks from Halo Wars (Spirit of Fire, Just Ad Nauseam, Flollo, and Fingerprints Are Broken), behind the scenes footage from the recording studios in which the music was made, and the Five Long Years Cinematic.
