<http://schema.org/headline>
"Supersubmarina se recupera \u00EF\u00BF\u00BDde forma positiva\u00EF\u00BF\u00BD"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.hoy.es/culturas/musica/201609/07/supersubmarina-recupera-forma-positiva-20160907130732-rc.html>