About: http://webisa.webdatacommons.org/368470589

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 stretching factor is a small positive number for heavy vibrating strings (as in pianos) for which the mass of the string significantly affects the frequency of the vibrating modes.
http://www.w3.org/ns/prov#wasQuotedFrom	cerlsoundgroup.org