A music library that is always up-to-date: Cloud Player automatically detects and adds new music to your library even if you bought it from iTunes or ripped a CD.One-place for all your music: Play your Amazon and iTunes music all from one place, even when offline.The new app provides Mac users with a seamless way to manage their entire music library - whether saved on their computer or in the cloud - and shop from the Amazon MP3 Store with a catalog of more than 25 million songs. Amazon Music is an app that allows users to shop, play, manage, and download music.