The playing task is ideally performed by a pinned barrel, and the art of barrel organs was well advanced by the mid-18th century. The power for the notes is provided by air from a bellows system, and the organist or player device only has to operate a valve to control the available air. These devices were later extended to operate musical boxes, which contain a set of tuned metal teeth plucked by the player mechanism.Īn early musical instrument to be automated was the organ, which is comparatively easy to operate automatically. ![]() ![]() The idea of automatic musical devices can be traced back many centuries, and the use of pinned barrels to operate percussion mechanisms (such as striking bells in a clock) was perfected long before the invention of the piano.
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