About: http://webisa.webdatacommons.org/188623709

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	Your definition is false sorry No. Someone who gets paid to play the piano is a professional.
http://www.w3.org/ns/prov#wasQuotedFrom	pianoworld.com