About: http://webisa.webdatacommons.org/443084241

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	Each note is a pitch, onset, and duration triple, where pitch is the MIDI pitch value of the note being played, onset is the time that the note starts, and duration is the length of the note.
http://www.w3.org/ns/prov#wasQuotedFrom	drdobbs.com