About: http://webisa.webdatacommons.org/47260783

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	Websites such as youtube.com have videos of his songs, including performances by Joplin himself.
http://www.w3.org/ns/prov#wasQuotedFrom	lasentinel.net