About: http://webisa.webdatacommons.org/365804196

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	Since the distance between the lower and the higher notes of a stack of two perfect fourths is a minor seventh and this interval inverts to a major second, quartal harmony necessarily also includes these intervals.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com