MSN Music Subscription

The player was called "Mango" and the service was called "Juice" (As in the stuff that makes your device good). It was a labor of love for a year for our young and idealistic team but it was cancelled weeks before launch as collateral damage from the Real Networks antitrust settlement and insider politics. It was genuinely good, Spotify before Spotify. Sadness.

The Wall Street Journal - Microsoft Ends Licensing Talks With Music Labels Over Royalties (Subscription Required)

MSNBC - Microsoft Ends License Talks With Music Labels

AP - Microsoft Out of Online Music Talks

Slashdot - Music Labels Charge Too Much For Microsoft

Ars Technica - Microsoft, Record Labels Can't Agree on Royalties

The Wall Street Journal Online - Microsoft, RealNetworks near settlement

Microsoft PressPass - Microsoft and RealNetworks Resolve Antitrust Case and Announce Digital Music and Games Partnership

C|Net - Microsoft's Real Deal

Engadget - The Engadget Interview: Rob Glaser, founder and CEO of RealNetworks

A complete walkthrough of the product