About: http://webisa.webdatacommons.org/455839751

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	For many years it was assumed that the song was a tribute to the abolitionist responsible for the Pottawatomie massacre and the raid on the federal armoury at Harper's Ferry, Virginia.
http://www.w3.org/ns/prov#wasQuotedFrom	bl.uk