Google Music is a cloud-powered music player and storage service that lets you keep your music collection online so you can save space on your Android device. All your your music purchases from Android Market automatically appear on Google Music and add up to 20,000 more songs from your personal music collection on your computer for free. Furthermore you´ve fully access to your entire music library instantly with the Google Music app, and save your favorites for offline playback and you can share a free full play of the songs you purchased from Android Market with your friends on Google+.