About: http://webisa.webdatacommons.org/64585776

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	Within the past forty years, especially since the close of the civil war, the progress of music in America has been most remarkable.
http://www.w3.org/ns/prov#wasQuotedFrom	wikisource.org