Microsoft Zune covers the physical hardware Zune music player 4, 8, 16, 16 (HD), 30, 32 (HD), 64 (HD), 80, and 120, along with the Zune Software for the PC.

Zune by Microsoft

"Zune is the premium music and video service from Microsoft. Download Zune software, get a Zune HD player and Zune Pass, and go to Zune Marketplace for hit songs and shows."

http://www.zune.net/en-US/

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