<http://webisa.webdatacommons.org/prov/410472268>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/210811354> .
<http://webisa.webdatacommons.org/210811354>	<http://www.w3.org/ns/prov#value>	"For me, Beethoven is the hardest composer to play." .
<http://webisa.webdatacommons.org/210811354>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<pianoworld.com> .
<http://webisa.webdatacommons.org/210811354>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .