A new pay-by-the-song music service is launching in Western Europe, putting an iTunes-like digital download store inside Microsoft's Windows Media Player. Branded variously as the MSN Music Club and Tiscali Music Club, the service is actually run by online music company OD2, rather than by Microsoft itself. As with Apple Computer's iTunes, the stores will be accessible inside the music-playing software itself. In this case, each may be accessed by a tab in the Windows Media Player premium services section. Read more: CNet News.