Trachytonic: Difference between revisions

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The scale can be obtained by a single chromatic modification of the diatonic scale; if we take 17edo's diatonic major (Ionian) mode, and raise the fourth by one step, we get trachytonic. trachytonic is also one modification away from the [[Mohajira|rast]] scale, so it has resemblance to both Western and Middle-Eastern scales. In fact, melodically, it corresponds to the [http://www.maqamworld.com/maqamat/bayati.html bayati] maqam.
The scale can be obtained by a single chromatic modification of the diatonic scale; if we take 17edo's diatonic major (Ionian) mode, and raise the fourth by one step, we get trachytonic. trachytonic is also one modification away from the [[Mohajira|rast]] scale, so it has resemblance to both Western and Middle-Eastern scales. In fact, melodically, it corresponds to the [http://www.maqamworld.com/maqamat/bayati.html bayati] maqam.


The scale has an alternative name by Mason Green, "'''screamapillar'''", which comes from an analogy with [[Scorp|scorp]] (as both names are related to arthropod creatures starting with "sc", which in this case is a reference to a character from the Simpsons TV show), and also because the major fourth of 17edo (which functions as 11:8, among others) has a very bright sound as though it is "screaming"'; ambulance sirens often use similar intervals. Timbres where the eleventh harmonic is strong tend to take on a similar character.
The scale and its modes have alternative "Simpsonsesque" names by Mason Green, where the scale itself is called "'''screamapillar'''", which comes from an analogy with [[Scorp|scorp]] (as both names are related to arthropod creatures starting with "sc", which in this case is a reference to a character from the Simpsons TV show), and also because the major fourth of 17edo (which functions as 11:8, among others) has a very bright sound as though it is "screaming"'; ambulance sirens often use similar intervals. Timbres where the eleventh harmonic is strong tend to take on a similar character.


The sharpened fourth could also be called a "red note" (opposite of a blue note) due to the mood it creates. The name "trachytonic" comes from the Greek "τρᾱχῠ́ς", meaning "rough".
The sharpened fourth could also be called a "red note" (opposite of a blue note) due to the mood it creates. The name "trachytonic" comes from the Greek "τρᾱχῠ́ς", meaning "rough".