<http://webisa.webdatacommons.org/prov/324084335>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/357156838> .
<http://webisa.webdatacommons.org/357156838>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/357156838>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<teach-nology.com> .
<http://webisa.webdatacommons.org/357156838>	<http://www.w3.org/ns/prov#value>	"Opera is a form of performing arts wherein musicians and singers perform a dramatic work that combines text, which is called the libretto and musical score." .