13edo scales: Difference between revisions

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*''Flarers'': The minor and major fifths, the most dissonant and categorically ambiguous intervals. Melodically they can function as fifths, tritones, or sixths depending on context. Be careful with the major tritone in the minor modes; emphasizing it too much can cause unwanted shifts in tonal center, since it functions much more strongly as a 5/4 major third over the third degree than as a perfect fifth over the root.

The brighter modes, 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 minor fourths, 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).

Oneirotonic provides two Orwell tetrads, made of three stacked minor thirds making one minor sixth; we get them by taking every second degree of the scale, JLNP or KMOQ. They sound like squashed diminished chords, but not quite. One could play an earbending trick where a movement up a major third and up 3 minor thirds will get you back to where you started unlike in 12edo. The two Orwell tetrads contain the two copies of 8:11:13 in oneirotonic, Q-M-Ob or L-P-J in J Ilarnekian.

====Modes with flat tritone====

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 *''Flarers'': The minor and major fifths, the most dissonant and categorically ambiguous intervals. Melodically they can function as fifths, tritones, or sixths depending on context. Be careful with the major tritone in the minor modes; emphasizing it too much can cause unwanted shifts in tonal center, since it functions much more strongly as a 5/4 major third over the third degree than as a perfect fifth over the root.
 The brighter modes, 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 minor fourths, 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).
-Oneirotonic provides two Orwell tetrads, made of three stacked minor thirds making one minor sixth; we get them by taking every second degree of the scale, JLNP or KMOQ. They sound like squashed diminished chords, but not quite. One could play an earbending trick where a movement up a major third and up 3 minor thirds will get you back to where you started unlike in 12edo. The two Orwell tetrads contain the two copies of 8:11:13 in oneirotonic, Q-M-Ob or L-P-J in J Ilarnekian.
 ====Modes with flat tritone====

13edo scales: Difference between revisions

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