About: http://webisa.webdatacommons.org/137536716

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	But the difference is a song does not necessarily need a riff, whereas a riff does not necessarily mean you have got a good song on your hands.
http://www.w3.org/ns/prov#wasQuotedFrom	brainyquote.com