Google’s Music App is the official Android player for the Music Beta service which provides you instant access to your Music on your Android phone without worrying about syncing, the service is free for limited time but currently it is invite only, and recently Google has allowed two invites per person for the early beta testers. Download the Music Beta app for Android from the link below:
Google Music Beta for Android Download
Market download link | version 3.0.1
Even if you haven’t got the Google’s Music invite yet, you can still use the player to listen to music.
How to get Google Music Beta Invite
Head over to this official Google Music beta about page, scroll down and you will see Request an invitation button, if invites are open and you are lucky, they will send you one.