About: http://webisa.webdatacommons.org/423900329

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	Well-known composers such as Bach, Haydn, Mozart, and Beethoven often led performances of their music from the keyboard.
http://www.w3.org/ns/prov#wasQuotedFrom	glbtq.com