Microsoft a few weeks back announced the rebranding of its Xbox Music service to Groove. Now, it’s been officially unveiled to coincide with the release of Windows 10. The highlights Microsoft wants you to focus on with Groove is that you can upload your music to OneDrive, save files for offline use, and stream music with Groove Music Pass ad-free on the web, PC, iPhone, Android and Windows Phone devices. They boast around 40 million songs available. And Sonos already supports the rebranded service, even if it’s just on beta.