It could be a pneumatic signal: the keypress opens a valve to let air through to a tiny tube which opens the valve on the music pipe.

It could be an electric signal, in which case the most common thing to fail in the organ is the relay that opens and closes the valve.Ģ.

When the musician presses a key on the console, there are three possible technologies for turning that key press into air going into the pipe.ġ. He's got a bluetooth button for turning pages on an iPad the rest of the tech could easily be victorian). Here's a fairly extreme example: (Bohemian Rhapsody on a ~33k pipe organ. In organ music, you have to 'play the rests' – hold on each note exactly for as long as is required no more, no less, and still get expression and tone in there, either with a swell box (≈volume knob for the feet) or, better, by your touch. Actually playing the organ well is a hugely, hugely difficult skill - you might think it's similar to a piano, but that neglects (a) the whole separate pedalboard for your feet (b) the mental load of sometimes seeing up to eight-ish lines of music simultaneously across a series of different manuals (keyboards) with different voicings, that you have to control and change, whilst playing (±turning pages!) and finally (c) - in piano music, you 'play the notes' and if you hold the key down a little bit longer or shorter than is strictly indicated, it's not the end of the world and easily either becomes a form of articulation or a convenient way to change hand positions.

Piano White Little free instals