13edo scales: Difference between revisions
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Modes with a flat 5th degree sound weirder and less stable to diatonic ears, but this can be alleviated by treating the flat 5th degree as an 11/8: Mnarian has a 4:9:11 on the tonic, and Hlanithian has an 8:11:13 on the tonic and Sarnathian has an 8:10:11:13 on the tonic. | Modes with a flat 5th degree sound weirder and less stable to diatonic ears, but this can be alleviated by treating the flat 5th degree as an 11/8: Mnarian has a 4:9:11 on the tonic, and Hlanithian has an 8:11:13 on the tonic and Sarnathian has an 8:10:11:13 on the tonic. | ||
You can also view oneirotonic as scales made of two tetrachords each spanning a | You can also view oneirotonic as scales made of two tetrachords each spanning a minor fourth and one trichord spanning a minor third. This will let you build 13edo "tetrachordal" scales with a similar structure that is not one of the 8 modes, with tetrachord structures similar to 12edo ones. For example: | ||
*[2 1 1] [2 1] [1 3 1] is a kind of harmonic minor (also obtained by lowering the 7th degree of the Celephaïsian mode) | *[2 1 1] [2 1] [1 3 1] is a kind of harmonic minor (also obtained by lowering the 7th degree of the Celephaïsian mode) | ||
*[1 3 1] [2 1] [1 2 2] is a kind of Phrygian dominant scale (which also contains 1 3 1 2 2 2 2, a chromatic modification of the Zo-Kalarian mode of the archeotonic scale). | *[1 3 1] [2 1] [1 2 2] is a kind of Phrygian dominant scale (which also contains 1 3 1 2 2 2 2, a chromatic modification of the Zo-Kalarian mode of the archeotonic scale). | ||