(Cross-psoted from our sister site 9to5Google.com)

The Google I/O 2011 keynote is about to begin and the search giant’s long-rumored iTunes competitor dubbed Google Music has already gone live. It’s an invite-only affair at the moment but we have no doubt it’ll roll out to some or all US users following the upcoming announcement. It’s unlikely that the service at this stage will be immediately available to everyone in the world due to complex licensing terms.

It’s a digital locker in the cloud that lets you access your music via the web and on Android devices (they don’t mention anything about iOS gadgets).

Music Beta is a new service from Google that gives you instant access to your personal music collection without the hassle of wires or syncing. Add your music collection and listen on the web or any compatible Android device.