Irving Berlin had a key-change piano: "Berlin was a self-taught pianist and one who reputedly restricted himself mainly to the black keys of the piano. Eventually he bought a special piano with a lever under the keyboard, enabling him to transpose his music mechanically" (http://en.wikipedia.org/wiki/Irving_Berlin ) David. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech_ptg.org/attachments/20090107/fdaafc5f/attachment.html>
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