Soundtracks on games usually come with collector editions for the hardcore fanboy. Now you can get your songs on iTunes if you missed out on the soundtracks when the game released or you were short on change to get the edition you wanted.
The Soundtracks released are
• StarCraft Original Soundtrack
• Diablo II Original Soundtrack
• Warcraft III: Reign of Chaos Original Soundtrack
• World of Warcraft Original Soundtrack
• World of Warcraft: The Burning Crusade Original Soundtrack
• World of Warcraft: Taverns of Azeroth Original Soundtrack
The songs are available for download in the Blizzard Store on iTunes [Here]