From the AP: Twitter has launched a service for people to find music they like and tweet songs from iTunes, Spotify and Rdio.
Twitter said in a blog post that an app will be available for download from Apple's online store Thursday. A Web version is also expected Thursday. Twitter said the service will eventually be available on Android devices as well.
The service uses information from Twitter chatter to find popular tracks as well as new artists. Users who follow musicians can see what artists those musicians follow and listen to songs by them….