If you were like me, you erased all the files off your Zune as soon as you connected it to your PC (needed more space). If you were planning on selling your Zune or just wanted that content back, you cannot retrieve the files from Microsoft. Sniperman, from Zunerama.com has posted up links on where you can retrieve the files from:
You will need an Unraring application to uncompress them, try WinRar if you do not have one.
*List was updated December 30th 06, view here for more updates