About: http://webisa.webdatacommons.org/47141915

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	African American performers were featured in operas such as Porgy and Bess and Virgil Thompson's Four Saints in Three Acts of 1934 .
http://www.w3.org/ns/prov#wasQuotedFrom	thefullwiki.org