There are two other versions of this soundtrack. Arrowhead Studios released an MP3 version for free on their web site (
http://www.magickagame.com/media/music) on February 18th, 2011. It contains fewer songs, but has two bonus tracks not on the iTunes version.
Also, the Humble Indie Bundle released a 32-track version with Android Bundle #9. It includes all of the base soundtrack and the Vietnam expansion, but is lacking the 2 bonus tracks from the web site, The Other Side of the Coin tracks, and The Stars Are Left tracks.