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If intervals are used solely for their 3-limit role, such as the M2 or in some cases the M6, the names Ro and Lo may be used, for perfect second or perfect sixth, as Ra can be thought of to imply 10/9, while Ro would imply 9/8, similarly to Lo and 27/16. In other cases, Mo would be 32/27 and To would be 16/9. A situation where this naming scheme may be used would be in a scale of P1 M2 ^M3 P4 P5 M6 ^M7 P8, where the M6 is used so that the ii chord has a perfect fifth, while the vi chord has a wolf fifth in order to be used as a "wolf tonic" to prevent tonicization.
If intervals are used solely for their 3-limit role, such as the M2 or in some cases the M6, the names Ro and Lo may be used, for perfect second or perfect sixth, as Ra can be thought of to imply 10/9, while Ro would imply 9/8, similarly to Lo and 27/16. In other cases, Mo would be 32/27 and To would be 16/9. A situation where this naming scheme may be used would be in a scale of P1 M2 ^M3 P4 P5 M6 ^M7 P8, where the M6 is used so that the ii chord has a perfect fifth, while the vi chord has a wolf fifth in order to be used as a "wolf tonic" to prevent tonicization.
== 31edo Keyboard Setup ==
For a Lumatone style Bosanquet-Wilson keyboard, I split the notes up based on their roles in the keys of CGDAE, which generally carry over well into other common keys. The coloring of the keys is a version of Kite's Color notation, with white being for C, G, D, A, and E, yellow being for B, F#, C#, and G#, green being for F, Bb, Eb, and Ab, blue being for D#/Edb, A#/Bdb, E#/Fd, and B#/Cd, red being for Db/C#t, Gb/F#t, Cb/Bt, and Fb/Et, light/grayish blue being for Gd, Dd, Ad, and Ed, grayish red/pink being for At, Dt, Gt, and Ct, and gray being for Bd and Ft. Using this coloring system, the standard key for a scale is that which uses all or as many white keys as possible, with examples shown below:
{| class="wikitable"
|+
!Scale
!Keys
|-
|Major
|F, C, G
|-
|Minor
|D, A, E
|-
|Melodic Minor
|G
|-
|Neapolitan Major
|G, A
|-
|Harrison Major
|G
|-
|Rast
|G
|-
|Bayati
|A, E
|-
|Neutral Lydian
|C, G
|-
|YB Altered
|Gb
|-
|Mode 8
|C
|-
|Dylathian
|C, Gt
|-
|Whole Tone
|C, Bb, Ab, Gb
|}
The look of the keyboard with these chosen color roles is shown to the right.
[[File:31kitebasedlumatone.png|thumb|543x543px|Black outline shows dimensions of Lumatone keyboard.]]


== Other 31edo Information ==
== Other 31edo Information ==