<http://schema.org/headline>
"Lady GaGa, Katy Perry, Britney Spears: Singing impressions viral video"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.digitalspy.com/fun/news/a474019/lady-gaga-katy-perry-britney-spears-singing-impressions-viral-video/>