About: http://webisa.webdatacommons.org/94384762

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	The style came as a precursor to bluegrass and the blues that had its heyday in the U.S., especially in mountainous areas and other places where geography limited interaction with the outside world, in the 1920s and 1930s.
http://www.w3.org/ns/prov#wasQuotedFrom	china.org.cn