About: http://webisa.webdatacommons.org/423065838

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	The contributors to this article agree on several points but they also disagree at times, such as whether or not a singer should listen to recordings during the learning process.
http://www.w3.org/ns/prov#wasQuotedFrom	operaamerica.org