Facebook as announced its new music initiative and has partnered with a host of music companies to bring real-time music streaming to the timeline. Spotify, one of the several music companies, is a new app to listen to music on facebook. Spotify users connect with facebook to listen to more music, as well a wider veriety of music. Spotify users are also twice as likely to pay for music. You will be able to share playlists with friends as well as see what your friends are listening to. Spotify is one of the more popular music apps not only because its free but because it is offered worldwide.