Lumatone mapping for 27edo

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Revision as of 23:18, 11 October 2025 by Yourmusic Productions (talk | contribs) (Add pseudo diatonic/terrain mapping)
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There are many conceivable ways to map 27edo onto the onto the Lumatone keyboard. Only one, however, agrees with the Standard Lumatone mapping for Pythagorean.

Diatonic

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Gordon Wery has created a pseudo-diatonic mapping that flips the direction of the two semitones, which can also be interpreted as a terrain mapping. This extends the range to slightly over 6 octaves at the cost of making the diatonic scale slope heavily upward and wrap around to the bottom again repeatedly. The .ltn file for this can be downloaded here.

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Tetracot

Keep in mind that 27edo is a superpyth temperament, so 5/4 is mapped to the interval of an augmented second (e.g. a 5/4 above C is D♯). Therefore if 0 is 1/1 on this mapping, 9 represents 5/4 and you can find that by going over to 5 (e.g. C → D) and then going up to 9 (D → D♯). If you want root – 3rd – 5th triads to be accessible in a more intuitive way, the 6L 1s mapping for Tetracot may be preferable.

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Neutral thirds

Other alternatives to this include a mapping derived from a Lumatone mapping for neutral thirds scales:

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Or this rotated version of the above, which resembles the Lumatone mapping for 24edo in the official manual:

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Sensi

Or the Lumatone mapping for sensi:

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Myna

If you want to maximise your range, the myna one is the widest one that still covers the whole gamut, spanning 8 octaves using the 3L 1s mos scale.

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Retrieved from "https://en.xen.wiki/index.php?title=Lumatone_mapping_for_27edo&oldid=212766"