About: http://webisa.webdatacommons.org/101500195

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	Rock and roll was an amalgam of black rhythm and blues and white country music, usually based around a twelve-bar structure and an instrumentation of guitar, double bass, and drums.
http://www.w3.org/ns/prov#wasQuotedFrom	oxforddictionaries.com