<http://schema.org/performer>
"iHeartRadio Jingle Ball: Bruno Mars, Justin Bieber, Britney Spears &amp; Meghan Trainor"^^<http://www.w3.org/2001/XMLSchema#string>
<http://aviewfrommyseat.com/photo/26391/Staples+Center/section-301/row-001/seat-1/>