<http://schema.org/headline>
"Exclusive: Earl Sweatshirt Announced as Day 1 Headlining Performer for Red Bull Sound Select: 4 Days In Austin"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.complex.com/music/2014/02/earl-sweatshirt-to-headline-red-bull-sound-select-4-days-in-austin>