<http://schema.org/url>
<http://hiphopwired.com/2013/01/22/the-roots-gary-clark-jr-more-headline-6th-annual-roots-picnic-concert/>
<http://hiphopwired.com/2013/01/22/the-roots-gary-clark-jr-more-headline-6th-annual-roots-picnic-concert/>