<http://schema.org/headline>
"Tupac/Outkast Album? Newly Unearthed Letter Reveals Planned Collaboration"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.rollingstone.com/music/news/tupac-outkast-album-newly-unearthed-letter-reveals-planned-collaboration-20150206>