About: http://webisa.webdatacommons.org/447307180

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	At one time in the 19th century trombones had valves like other brass instruments.
http://www.w3.org/ns/prov#wasQuotedFrom	childrensmusicworkshop.com