About: http://webisa.webdatacommons.org/401949522

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	The problem is that the earliest ones were constructed out of cheap materials, such as plywood, rather than spruce.
http://www.w3.org/ns/prov#wasQuotedFrom	pianoworld.com