<http://schema.org/about>
"Never mind downloading free music, get out there and play it for free.  This month there are 30 \"street pianos\" strewn around London as part of the Play Me I'm Yours and  Sing London festival.  All over town people are"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/culture/free-pianos-all-around-town-play-me-im-yours.html>