About: http://webisa.webdatacommons.org/271812978

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	During this time, Wolfgang and Joseph Haydn developed the grand forms of symphony, opera, string quartet, and concerto.
http://www.w3.org/ns/prov#wasQuotedFrom	imahero.com