Which keyboard instrument uses pipes to produce sound from wind?

A pipe organ uses wind to produce sound through pipes controlled by a keyboard.

When the player presses a key, a mechanism admits air to selected pipes. Each pipe produces a particular pitch and tone color, while stops allow the player to choose groups of pipes. The organ can therefore combine many contrasting sounds and ranges from one console.

Pipe organs vary enormously in size, from small instruments with only a few stops to monumental organs containing thousands of pipes. They are commonly installed in churches and concert halls, where their large sound and sustained tones can fill an architectural space.

A pipe organ is different from an electronic organ, which creates or reproduces sound electronically. It is also different from a reed organ, whose sound comes from vibrating reeds rather than flue pipes. Organ building has a long history, with ancient predecessors and major European developments during the medieval and Renaissance periods.