About: http://webisa.webdatacommons.org/432158367

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 musical work such as an opera or other work for the musical stage, or an oratorio, that uses the text of the related work as a libretto.
http://www.w3.org/ns/prov#wasQuotedFrom	yale.edu