Assertion: piano's mechanism | /r/HasProperty | mechanical
Facets:
value: electro
type: DEGREE
Source sentences:
text: A player piano (also known as pianola) is a self-playing piano, containing a pneumatic or electro-mechanical mechanism that operates the piano action via programmed music recorded on perforated paper, or in rare instances, metallic rolls, with more modern implementations using MIDI.
text: A player piano (also known as pianola) is a self-playing piano, containing a pneumatic or electro-mechanical mechanism that operates the piano action via programmed music recorded on perforated paper, or in rare instances, metallic rolls, with more modern implementations using MIDI.