We now have the complete track list of the Metal Gear Solid 4: Guns of the Patriots soundtrack, which will be available in Japan on May 28th, priced just 3045YEN (30USD). Press 'read more' to check the list and if you're interested, you can pre-order here. In related news, we have found out that Metal Gear Solid 4: Guns of the Patriots will need 4.6GB of free space on your PS3's hdd, in order to install the required files.