<http://schema.org/headline>
"Wiz Khalifa&amp;#039;s &amp;quot;No Sleep&amp;quot; Is Already No. 1 On The iTunes Top 100"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.complex.com/music/2011/03/wiz-khalifa-no-sleep-number-one-itunes>