Sometime back Google released Google Play Music Manager for desktop computers that enables its users to upload their music collections to cloud and download their library to their hard drive easily. After the music files are uploaded to cloud, they can be listened from any Android Phone, desktop computers, tablets etc.
Google Play Music is Chrome app by play.google.com. This application allows you to play your music instantly anytime from anywhere. You can keep up to 20,000 songs on Google Play and you can listen to them easily using web or any android phone or tablet even when you’re not connected and all for free.