#organ_pipe__organpipe__pipe__pipework  the flues and stops on a pipe organ
  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 of:  #pipe_organ
  subtype:  #flue_pipe__flue__labial_pipe  organ pipe whose tone is produced by air passing across the sharp edge of a fissure or lip
  subtype:  #organ_stop__organstop  a graduated set of organ pipes of like tone quality
     subtype:  #diapason_stop__diapason  either of the two main stops on a pipe organ
     subtype:  #dulciana  the organ stop having a tone of soft sweet string quality
     subtype:  #flue_stop  an organ stop with the tone of a flue pipe
     subtype:  #reed_stop  an organ stop with the tone of a reed instrument
        subtype:  #vox_humana__voxhumana  an organ reed stop producing tones imitative of the human voice
     subtype:  #sourdine  an organ stop resulting in a soft muted sound
     subtype:  #vox_angelica__voxangelica__voix_celeste  an organ stop producing a gentle tremolo effect
  subtype:  #reed_pipe  organ pipe with a vibrating reed

No statement uses or specializes #organ_pipe; click here to add one.