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| When used in an "ana" way, the kata modes are radically different in character than the ana modes. Particularly in 13edo and tunings close to it, the fifth and seventh scale degrees become the more concordant 11/8 and quasi-13/8 respectively, so they may sound more like stable scale functions. Hlanithian, in particular, may be like a more stable version of the Locrian mode in diatonic. | | When used in an "ana" way, the kata modes are radically different in character than the ana modes. Particularly in 13edo and tunings close to it, the fifth and seventh scale degrees become the more concordant 11/8 and quasi-13/8 respectively, so they may sound more like stable scale functions. Hlanithian, in particular, may be like a more stable version of the Locrian mode in diatonic. |
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| === Alterations ===
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| ==== Archeodim ====
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| We call the LSLLLSLS pattern (independently of modal rotation) '''archeodim''', because the "LLL" resembles the [[archeotonic]] mode in 13edo and the "LSLSLS" resembles the diminished scale. Archeodim is the most important oneirotonic [[MODMOS]] pattern (a MODMOS is a MOS with one or more alterations), because it allows one to evoke certain ana or kata diatonic modes where three whole steps in a row are important (Dorian, Phrygian, Lydian or Mixo) in an octatonic context. The MOS would not always be able to do this because it has at most two consecutive large steps. As with the MOS, archeodim has four ana and four kata rotations:
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| * LLLSLSLS: Dylathian &4, Archeodim Ana-Lydian
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| * LLSLSLSL: Illarnekian @8: Archeodim Ana-Mixolydian
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| * LSLLLSLS: Celephaïsian &6: Archeodim Ana-Dorian
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| * LSLSLLLS: Mnarian &8: Archeodim Kata-Ionian
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| * LSLSLSLL: Hlanithian &2: Archeodim Kata-Aeolian
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| * SLLLSLSL: Ultharian @2: Archeodim Ana-Phrygian
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| * SLSLLLSL: Sarnathian &7: Archeodim Kata-Dorian
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| * SLSLSLLL: Sarnathian @6: Archeodim Kata-Locrian
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| ==== Other MODMOSes ====
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| Other potentially interesting oneirotonic MODMOSes (that do not use half-sharps or half-flats) are:
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| * the distorted harmonic minor LSLLSALS (A = aug 2nd = L + chroma)
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| * the distorted Freygish SASLSLLS
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| * Celephaïsian &4 &6 LsAsLsLs
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| === Chords === | | === Chords === |