<http://schema.org/description>
"There are a lot of music apps that make it easy to share music on Twitter, and Serendip is one of those latest apps. And a little more. Serendip offers the smartest music integration ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apps/2011/08/25/serendip-twitter-music-integration-done-right/air/>