About: http://webisa.webdatacommons.org/60233388

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	Whether Guido d'Arezzo did, or did not, in- vent the system which, for more than eight centuries, has borne his name, is a question which has given rise to much discussion.
http://www.w3.org/ns/prov#wasQuotedFrom	wikisource.org