About: http://webisa.webdatacommons.org/82918988

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	American folk music has at some times subverted and other times reinforced the categorical boundaries between blacks and whites in twentieth-century United States.
http://www.w3.org/ns/prov#wasQuotedFrom	science.gov