After an invitation-only Beta, Google finally unveiled the much-anticipated digital music store "Google Music" to public on Wednesday. The online music store will be competing with existing giants like Amazon and Apple, users will be able to buy songs costing somewhere between $0.69 and $1.29 through the Android Market - to gain the initial traction Google will be offering one song free daily to it's costumers.

The Google Music intro-tour website is a must-watch letting users enjoy the superb interactive, animated and musical tour introducing visitors to the new service.

The search giant has finally entered the cloud music arena by launching first invitation only public beta of their "Google Music" service, unfortunately the service is only available to US users but the limitation can be easily bypassed as shown after the jump along with Google Music features, beta invitation process and a video demonstration.