About: http://webisa.webdatacommons.org/247077569

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	By the beginning of the 1960s, genres influenced by African American music such as rock and roll and soul were part of mainstream popular music.
http://www.w3.org/ns/prov#wasQuotedFrom	reference.com