Assertion: digital piano | /r/HasProperty | key
Facets:
value: on the keyboard
type: LOCATION
Source sentences:
text: Having read Why digital piano has more polyphony voices than there are keys on the keyboard? and understood why a high number polyphony may be required, I have however a practical question: How much polyphony is needed for classical piano music, without any special electronic effects (even without metronome)?