About: http://webisa.webdatacommons.org/117333060

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 mp3 was a recording of the entire scene, so I had to cut out just the sound of the door knocker using a very useful program called Audacity.
http://www.w3.org/ns/prov#wasQuotedFrom	sparkfun.com