Google's Music service, which enables you to upload and stream your own music collection, has ended its invite-only period and is now allowing anyone to sign up. Anyone, that is, who resides in the United States. There's no option for Australian users yet.
If you visit the Google Music site from Australia, you're still greeted with this message:
While you could potentially work around this using a VPN, it seems that Google is facing the same issue as Apple's iTunes Match: the need to negotiate global licensing agreements. That affects both the streaming service and its new Android-based music store. Grrr.