The new service - revealed at LA's E3 video games expo - carries the branding of Microsoft's Xbox 360 video games console but will be compatible across a range of devices including PCs, Windows 8 smartphones and tablets. It will give users access to over 30 million tracks.

Little more was revealed about the service but an Xbox Music trailer (above) showed discovery and sharing mechanics as well as well as Smart DJ, a feature carried over from Zune.

Although ...