About: http://webisa.webdatacommons.org/134575101

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	Early blues singers, including Ma Rainey and Bessie Smith, sang about subjects largely shunned from popular culture such as female sexual pleasure, extramarital relationships, domestic violence, gender and racial inequality.
http://www.w3.org/ns/prov#wasQuotedFrom	bookslut.com