About: http://webisa.webdatacommons.org/283891409

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 Optigan was an organ that played its sounds from light scanned graphic waveforms encoded on film discs.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org