<http://schema.org/headline>
"LONDON SPRING SEASON PREVIEW: In the West End and Beyond, Expect Helen Mirren, Daniel Radcliffe, Jude Law and More"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.playbill.com/features/article/london-spring-season-preview-in-the-west-end-and-beyond-expect-helen-mirren-201067>