About: http://webisa.webdatacommons.org/324676671

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	Both Mstislav Rostropovich???s parents were musicians: his mother was an accomplished pianist, and his father, a distinguished cellist, had studied with Casals.
http://www.w3.org/ns/prov#wasQuotedFrom	classicsonline.com