To whet your appetite, there’s a preview of the album as well as the orchestral rendition of “Ultima” available in video form just below; the latter is the song that plays during the final boss fight against the eponymous weapon at the end of the base game’s main scenario. So it’s not going to be an impulse purchase, but it might be worthwhile for the discerning fan of the game’s many musical cues.
Source: Official Site