About: http://webisa.webdatacommons.org/228107138

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	One thing you may notice here is that while the Cadd9 was just a major chord with an added ninth, the C9 is a seventh chord with an added ninth.
http://www.w3.org/ns/prov#wasQuotedFrom	ultimate-guitar.com