Lumatone mapping for 84edo
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There are many conceivable ways to map 84edo onto the Lumatone keyboard. Unfortunately, as it has multiple rings of 5ths, the Standard Lumatone mapping for Pythagorean is not one of them, and due to the edos size, would not cover the whole gamut even if it was. Neither the 2nd, 3rd or 4th best 5ths work either, and the maviloid scale generated by 47/84 is even flatter than 25edo.
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Instead, the most efficient layout that allows access to all notes is the Sensei mapping, although this does reduce the range to a little over three octaves.
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The Orwell mapping has a smaller range, but is closer to optimal tuning for the temperament and makes it easier to play harmonics together.
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80
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