Twitter #music

Twitter releases Twitter #music, a service that uses data from tweets to determine what the most popular and emerging artists of the moment are. Users can then listen to the songs using iTunes previews, or listen to the entire songs with Spotify or Rdio if they have subscriptions to those services:

Today, we’re releasing Twitter #music, a new service that will change the way people find music, based on Twitter. It uses Twitter activity, including Tweets and engagement, to detect and surface the most popular tracks and emerging artists.