Lumatone mapping for 20edo

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There are many conceivable ways to map 20edo onto the onto the Lumatone keyboard. However, it has 4 mutually-exclusive rings of fifths, so the Standard Lumatone mapping for Pythagorean is not one of them. You can use the b val, which creates the 2L 5s Balzano mapping.

Balzano

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Other mappings

The Balzano mapping is not particularly optimal for making the best tuned intervals easily playable, however, which the Blackwood and Tetracot mappings solve.

Blackwood

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Tetracot

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