About: http://webisa.webdatacommons.org/453091774

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	There is no ???official??? list of what music or other material is in the public domain.
http://www.w3.org/ns/prov#wasQuotedFrom	musopen.org