| http://www.w3.org/ns/prov#value | - The original performance data OD can also be arbitrarily input by the original performance data loading block AB, one of the system functions, from the keyboard-type operator device 12, the external storage device 9, or the MIDI equipment such as a sequencer or performance equipment, while the expression-added performance data ED can be arbitrarily output by the expression-added performance data t
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