Edit: After half day, my wife’s Mac started having the same problem. I have then applied the solution that I found in the Apple
Google Music Available From Today In United States –
Google Music has finally hit the United States today. You can check Google Music out now if your in the US by checking out music.google.com. Google Music will allow users to store up to 20,000 songs at no cost. Google Music is very tightly integrated with Google + as they said friends recommendations are one of the most influential forms of finding new uncovered artists. Google Music launched today with partnerships with Universal , EMI , Sony Music and many more independent label. From watching the live event I get the feeling that Google are aiming at independent artists and making it a lot easier for them to reach their audience and also sell there music which i think could be one of the biggest advantages for people who like finding undiscovered bands and also an advantage for artists them selfs. You can expects to see Google Music on you android devices with in the next few days.