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...lta signatures are considered equivalent under scaling: +2+4+2 is the same delta signature as +1+2+1. ...chord 0 – 3 – 8 – 10\13 (0¢ – 277¢ – 738¢ – 923¢) is close to being delta-rational, because the frequency difference of the interval 8–10\13 is 0.994 times th ...

...ly, 18edo's approximate 4:5:6 using the sharp fifth is approximately delta-rational (similar to the case with [[15edo]]), albeit slightly less accurate. It is To use a scale which includes neutral harmony, an option would be altering some of the antidiatonic degrees to be neutral ...

* a ''[[delta signature]]'', a list of frequency increases between adjacent notes measure ...'' ratios (all other rational ratios), which can be classified as Delta-2, Delta-3, etc. by the difference between their numerator and denominator. Note tha ...

...cale, and we want to approximate 4:5:6, the just major chord, with a delta-rational MOS chord. In this case, we want the difference between our deltas to become 1, so the delta signature will be +1+1. ...

...y]]. My approach to writing chords is loosely based on non-functional jazz harmony. They usually outline and support the melody and have few defined cadences ...ic with a strong melodic focus, such as mine, where the melody informs the harmony instead of the reverse. Other concepts may be used instead with the same ge ...

...Party Rules''' are a set of rules which aim to simplify expansion of 12edo harmony into 24edo. The three rules are as follows: ...proximation of an LCJI interval, or else, a close approximation of a delta-rational interval, without being too close to one another in acoustic proximity. Fr ...

...h less isodifferential (less close to having a +1+1 [[Delta-rational chord|delta signature]]) than even in 12edo due to the 3/2 being much flatter, and root ...sem]] scale: 323132313 (RH) or 313231323 (LH). Diasem provides basic 2.3.7 harmony, though 7/6, 28/27, and 9/7 are not accurate at all in 21edo. ...

The most basic chords in this functional harmony system are: {{UserTag|KC|Inthar|000000|13edo oneirotonic enjoys two main (rooted) delta-rational sonorities analogous to major and minor triads: 0-(185)-369-646 ("tract-maj ...

...realization of other low-complexity just intervals. Consequently, [[Delta-rational chord|DR]]-based approaches may be more practically useful. 14edo can also support Western functional harmony. The most stable chords are [0 3 8] and [0 4 8], including extensions with ...

...It does not approximate many small prime harmonics well at all, so [[Delta-rational chord|DR]]-based interpretations may be preferred among 13edo users. ...s) MOS which is a compressed diatonic. For Jaimbee and Inthar's functional harmony and method, see the [[oneirotonic]] page. ...