<http://caligraph.org/ontology/Male%E2%80%93female_vocal_duet>	<http://www.w3.org/2000/01/rdf-schema#label>	"Male\u2013female vocal duet" .
<http://caligraph.org/ontology/Male%E2%80%93female_vocal_duet>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Vocal_duet> .
<http://caligraph.org/ontology/Male%E2%80%93female_vocal_duet>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Male%E2%80%93female_vocal_duets> .
<http://caligraph.org/ontology/Male%E2%80%93female_vocal_duet>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .