Lumatone mapping for 19edo
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There are many conceivable ways to map 19edo onto the Lumatone keyboard. Only one, however, agrees with the Standard Lumatone mapping for Pythagorean. This is "Preset 4 — 19-ET Bosanquet" in the official manual.
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The kleismic mapping is a good option if you want to extend your range while making well-tuned chords easy to play, since 19edo can be conceptualised as a chain of essentially pure 6/5's.
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The Magic mapping has an even wider range and makes 5-limit chords just as easy to play, but the chroma goes downwards in the most efficient layout and higher limit intervals require more awkward finger stretches.
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