organ [2]![click to hear](/images/speaker.jpg)
Wind instrument with several keyboards; it produces sound by means of pipes that are fed by a blower.
reed pipe ![click to hear](/images/speaker.jpg)
Pipe in which sound is produced by the vibration of a tongue on the open face of a pipe.
shallot ![click to hear](/images/speaker.jpg)
Hollow pipe with one open face, on which the tongue vibrates.
tongue ![click to hear](/images/speaker.jpg)
Small sheet of flexible metal that vibrates on the open face of the pipe; the amplitude of the vibrations determines the pitch of the note.
wedge ![click to hear](/images/speaker.jpg)
Piece of wood that attaches the tongue to the upper end of the pipe.
block ![click to hear](/images/speaker.jpg)
Movable part inserted into the foot of the pipe; its lower end holds the shallot.
tuning wire ![click to hear](/images/speaker.jpg)
Metal stem that adjusts the length of the shallot’s vibrating part to tune the pipe.
resonator ![click to hear](/images/speaker.jpg)
Resonant vessel that amplifies the vibrations of the shallot.