<http://schema.org/description>
"One of the most exciting features announced today at Facebook's f8 was the ability to listen to music along with friends utilizing a host of social music streaming services.\r\n\r\nIn this ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/facebook/2011/09/23/how-to-listen-to-music-with-your-friends-on-facebook-spotify-hands-on/>