Google music player
The Google Play Music app lets you listen to your music collection anywhere. All your music is stored online, so no need to worry about syncing or storage space.
* Music purchases from Google Play automatically appear in the app.
* Add up to 20,000(approximately equal to 100gb of online music storage,5mb per song) more songs from your personal music collection on your computer for free.
* Access your entire music library instantly with the Google Play Music app, and save your favorites for offline playback.
* Share a free full play of the songs you purchase from Google Play with your friends on Google+.
* Available in the U.S. only.***** (The player works outside U.S. but if you want the 20000 free online song storage then here is a tutorial how to get google music to work outside U.S.)