About: http://webisa.webdatacommons.org/121107120

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	It was a coming-out party for many of the underground San Francisco bands, such as the Jefferson Airplane, the Grateful Dead, and especially Janis Joplin.
http://www.w3.org/ns/prov#wasQuotedFrom	rock104.com