About: http://webisa.webdatacommons.org/433473314

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	Less-expensive models are made of materials such as polypropylene and ebonite, primarily for student and outdoor use; metal bassoons were made in the past but have not been in production by any major manufacturer since 1889.
http://www.w3.org/ns/prov#wasQuotedFrom	newworldencyclopedia.org