About: http://webisa.webdatacommons.org/79960828

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	en ??? and black artists such as Harry Belafonte, Mississippi John Hurt, and Cephas and Wiggins (though he does not mention all of these).
http://www.w3.org/ns/prov#wasQuotedFrom	jonsobel.com