Microsoft has reported an official launch date for their Xbox Music service.   The rollout will coincide with the launch of Windows 8 on October 26th. What’s more, the site is also reporting that the service will include a free, ad-supported option in addition to paid subscriptions.  The service will be available on Windows Phone, Windows 8 and the Xbox 360 at launch, with iOS and Android apps said to be coming at a later date. Check out the video….