<http://webisa.webdatacommons.org/122414555>	<http://www.w3.org/ns/prov#value>	"Hard rock developed into a major form of popular music in the 1970s, with bands such as Led Zeppelin, The Who, Deep Purple, Aerosmith, AC/DC and Van Halen." .
<http://webisa.webdatacommons.org/prov/384280694>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/122414555> .
<http://webisa.webdatacommons.org/122414555>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wikipedia.org> .
<http://webisa.webdatacommons.org/prov/148803224>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/122414555> .
<http://webisa.webdatacommons.org/122414555>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/246833769>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/122414555> .
<http://webisa.webdatacommons.org/prov/490741148>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/122414555> .