Symmetrical Keyboards

Nov 2010 - Ken Rushton

Rationale: key-to-note assignment can be made symmetrical, so one can transfer skills between hands, halving the number of fingerings to learn.

Further:

  • Each keyboard assignable to a unique instrument

  • Each keyboard assignable to overlap the other to a variable degree, making "special" effects like contrapuntal motion simpler, even trivial

  • One's hands won't run into each other

  • Ends the tyranny of the right-handed keyboard on the left-handed

That's the Theory, anyway. What it the actual practice?

It works, better than hoped for (I had wildly hoped for 30%). The Actuality:
  • There seems to be at least a 50% reduction in learning time for the left hand

  • An unexpected (but obvious in hindsight) thing that happens is clumsiness transfer from the untrained hand to the trained hand. There are techniques for reducing this.

  • I suspect some serendipitous (unexpected good fortune) benefits as well ... to be detailed.

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