<http://schema.org/about>
"Deepak Chopra talks about a song he was cowriting with the King of Pop before he died, one that Jackson called his most important contribution to the environmen"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/lifestyle/arts-culture/stories/video-michael-jacksons-eco-swan-song>