About: http://webisa.webdatacommons.org/36969104

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	Although the keyboard is reminiscent of the keyboards found on pianos and other Western instruments, the international standard for pitch (i.e., A=440) has not been adopted.
http://www.w3.org/ns/prov#wasQuotedFrom	chandrakantha.com