About: http://webisa.webdatacommons.org/219486411

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	A crowd of more than 40,000 music fans caught more than 60 acts, including John Mellencamp, Cee Lo Green, Wilco and Ke$ha.
http://www.w3.org/ns/prov#wasQuotedFrom	washingtonpost.com