#pipe_organ__organ  wind instrument whose sound is produced by means of pipes arranged in sets supplied with air from a bellows and controlled from a large complex musical keyboard
  supertype:  #wind_instrument__wind  a musical instrument in which the sound is produced by an enclosed column of air that is moved by the breath
  part:  #keyboard  device consisting of a set of keys on a piano or organ or typewriter or typesetting machine or computer or the like
     part:  #action_mechanism__action  the operating part that transmits power to a mechanism; "the piano had a very stiff action"
        part:  #key.lever  a lever that actuates a mechanism when depressed
  part:  #organ_pipe__organpipe__pipe__pipework  the flues and stops on a pipe organ
  part:  #foot_pedal__pedal__treadle__foot_lever  a lever that is operated with the foot
  part:  #piano_keyboard__pianokeyboard__fingerboard__clavier  a bank of keys on a musical instrument
  part:  #stop.knob  (music) a knob on an organ that is pulled to change the sound quality from the organ pipes; "the organist pulled out all the stops"

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