I have new Windows 8 PC, have placed all music into library and can see it on xbox music on PC. When changed to xbox it can see the PC but cannot see the media to stream music. This did work fine last week on old XP machine but Windows * & xbox are no go so far. I prefer to use built-in music player but if I could get music recognized in xbox music that would work too. Please help me play music again on my xbox streamed from PC.