PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These early Moogs were also complex to operate???it sometimes took hours to set up the machine for a new sound???and they were prone to pitch instability because the oscillators tended to drift out of tune as the device heated up.[11] As a result, ownership and use was at first mainly limited to clients such as educational institutions and major recording studios and a handful of adventurous audio
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikipedia.org