About: http://webisa.webdatacommons.org/383620520

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	They accompanied many of the Classic Blues singers of the 1920s, including Ma Rainey, Ida Cox, Alberta Hunter, and Ethel Waters.
http://www.w3.org/ns/prov#wasQuotedFrom	allaboutjazz.com