About: http://webisa.webdatacommons.org/406963753

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	Though the song is a widely-known and historic, it may present some issues which you may not be comfortable addressing with your class.
http://www.w3.org/ns/prov#wasQuotedFrom	pbs.org