PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In some instruments, the sustain level is not constant, such as the guitar, where it fades slowly.The ADSR system is often used in software instruments to allow the user to specify volume shaping to be applied to the sound over time, such as in a synthesiser.
http://www.w3.org/ns/prov#wasQuotedFrom
  • musicradar.com