Oneirotonic: Difference between revisions

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Dylathian, Ilarnekian, Celephaïsian and Ultharian have squashed versions of the classical major and minor pentachords P1-M2-M3-P4-P5 and P1-M2-m3-P4-P5 and can be viewed as providing a distorted version of diatonic functional harmony. For example, in the Dylathian mode, the 4:5:9 triad on the sixth degree can sound like both "V" and "III of iv" depending on context. Basic chord progressions can move by perfect mosfourths, thirds, or major seconds: for example, J major-M minor-P minor-Ob major-J major (in Ilarnekian) or J major-K major-O major-M major-J major (in Dylathian).

In a classical-like setting, the 6th scale degree (either an augmented mossixth or a perfect mossixth) could be treated as mutable. The perfect mossixth would be used when invoking the diatonic V-to-I trope. The augmented mossixth would be used when a major key needs to be used on the fourth degree.

In a classical-like setting, the 6th scale degree (either an augmented mossixth or a perfect mossixth) could be treated as mutable. The perfect mossixth would be used when invoking the diatonic V-to-I trope by modulating by a perfect mosfourth from the sixth degree. The augmented mossixth would be used when a major key needs to be used on the fourth degree.

==== Modes with flat mos5th ====

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 Dylathian, Ilarnekian, Celephaïsian and Ultharian have squashed versions of the classical major and minor pentachords P1-M2-M3-P4-P5 and P1-M2-m3-P4-P5 and can be viewed as providing a distorted version of diatonic functional harmony. For example, in the Dylathian mode, the 4:5:9 triad on the sixth degree can sound like both "V" and "III of iv" depending on context. Basic chord progressions can move by perfect mosfourths, thirds, or major seconds: for example, J major-M minor-P minor-Ob major-J major (in Ilarnekian) or J major-K major-O major-M major-J major (in Dylathian).
-In a classical-like setting, the 6th scale degree (either an augmented mossixth or a perfect mossixth) could be treated as mutable. The perfect mossixth would be used when invoking the diatonic V-to-I trope. The augmented mossixth would be used when a major key needs to be used on the fourth degree.
+In a classical-like setting, the 6th scale degree (either an augmented mossixth or a perfect mossixth) could be treated as mutable. The perfect mossixth would be used when invoking the diatonic V-to-I trope by modulating by a perfect mosfourth from the sixth degree. The augmented mossixth would be used when a major key needs to be used on the fourth degree.
 ==== Modes with flat mos5th ====