We're so used to Google Labs features on commonly used services like mail and maps that we often forget they're technically experimental and now Music has a few of its own. The new features available on the desktop version of its web player include toggles for an HTML5 player (there was already a mobile version for iOS) instead of Flash, Gmail-style desktop notifications (Chrome only) and the ability to rate music on a five star scale instead of just thumbs up or thumbs down.
2DayBlog.com, Google Play Music switches on labs features: HTML5 player, star ratings and notifications
