Following rumors of a new music app for iOS from Twitter last month, the company today announced the public release of the new service. The app, which is available as a free App Store download and rolling out on the web, integrates a number of existing services to give users each access to their Rdio and Spotify subscriptions, as well as previews of iTunes Store content.The songs on Twitter #music currently come from three sources: iTunes, Spotify or Rdio. By default, you will hear previews from iTunes when exploring music in the app. Subscribers to Rdio and Spotify can log in to their accounts to enjoy full tracks that are available in those respective catalogs. We will continue to explore and ad
