Terry, There were some uprights made in such a way and with a mechanism that would shift the entire keyboard to the right or the left, making it possible to play up to two half-steps higher and lower than in the "home" position. I think they are referred to as transposing keyboards. Pretty cool, actually. Regards, Clyde Farrell wrote: > I'm curious about the "changeable pitch" feature. Is this perhaps a used-piano-salesperson's marketing characterization of loose tuning pins?
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