PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • from memory just looking at the keys or looking away from the piano (the last is difficult with an upright - like a child being stuck behind an adult in a theatre - but eyes closed is an option).If you have not started memorising any of your music yet you might start with scales or Hanon.
http://www.w3.org/ns/prov#wasQuotedFrom
  • pianoworld.com