<http://schema.org/description>
"The two collaborate together for &amp;lt;em&amp;gt;Under the Mistle.&amp;lt;/em&amp;gt;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.complex.com/music/2011/10/watch-justin-bieber-and-usher-make-a-christmas-song>