The Indie Royale is offering a Back to School Bundle, which features seven awesome indie games to entertain you, of which some include official soundtracks and downloadable content.
Swords & Soldiers for Steam, PC, Mac, Linux, Desura and includes DLC
Lunar Flight for Steam, PC, Mac, Windows, Desura
Bunny Must Die! for Windows, Desura
Sequence for Steam, PC, Windows, Desura
Flying Red Barrel for Windows, Desura
Qlione for Windows, Desura
Cute Things Dying Violently for Windows, Desura and includes OST
Remember that as more people buy, the price goes up, so you need to get in early. Knock the price down for others and show your support by payiong more than the current price. The games are easy to receive, simply download your games directly or redeem them on Steam and Desura.