<http://schema.org/alternativeHeadline>
"Jimi Hendrix, John Lennon, Jim Morrison to Appear on Postage Stamps"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.rollingstone.com/music/news/jimi-hendrix-john-lennon-jim-morrison-to-appear-on-postage-stamps-20140221>