<http://webisa.webdatacommons.org/340446189>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/340446189>	<http://www.w3.org/ns/prov#value>	"Tchaikovsky is an incomparable composer in a wide field of musical styles, including opera." .
<http://webisa.webdatacommons.org/prov/463212203>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/340446189> .
<http://webisa.webdatacommons.org/340446189>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<arkivmusic.com> .