About: http://webisa.webdatacommons.org/164868251

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	I can not remember the exact site name at the moment (it was a Boingboing post a month ago or so), but there is a website where you can use black and white and greytone images to create sound.
http://www.w3.org/ns/prov#wasQuotedFrom	freakangels.com