<http://schema.org/headline>
"Digest: Soundgarden Announce Summer Tour; Santigold Releases New Song with Karen O"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.rollingstone.com/music/news/digest-soundgarden-announce-summer-tour-santigold-releases-new-song-with-karen-o-20110414>