Trachytonic: Difference between revisions

Line 1:

~~'''Screamapillar''' is a~~ 7-note MODMOS in [[17edo|17edo]] (or its close cousins like [[27edt|27edt]] or [[44ed6|44ed6]]), or the temperament which characterizes this scale. Screamapillar ~~has three different step sizes and is described as a LLmmLLs scale (i. e., 3322331). As such, it~~ is not a maximally even scale (since seconds, thirds, sixths, and sevenths all come in three rather than two sizes). However, screamapillar is notable for being [[Rothenberg_propriety|strictly proper]], whereas the 17edo diatonic scale is not proper at all, and the 12edo diatonic scale is proper but not strictly so.

The 7-note MODMOS LLmmLLs, usually in [[17edo|17edo]] or its close cousins like [[27edt|27edt]] or [[44ed6|44ed6]], (that is, 3322331), and the temperament which characterizes this scale, are called '''"screamapillar"''', though this name is heavily disliked. Screamapillar is not a maximally even scale (since seconds, thirds, sixths, and sevenths all come in three rather than two sizes). However, screamapillar is notable for being [[Rothenberg_propriety|strictly proper]], whereas the 17edo diatonic scale is not proper at all, and the 12edo diatonic scale is proper but not strictly so.

Screamapillar 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 screamapillar (specifically, the Springfieldian mode). Screamapillar 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.

Screamapillar is named by analogy with [[Scorp|scorp]] (as both are arthropod creatures starting with "sc"), 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.

Screamapillar is named by 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. Also, the ''[https://en.wikipedia.org/wiki/The_Simpsons_Theme Simpsons theme]'' uses a scale which, although not exactly screamapillar, does contain a sharpened fourth.

~~[[file:screamapillar.gif|right]]~~

Because screamapillar is so similar to the diatonic scale, it's not as xen as one might expect a no-fives 13-limit system to be, and as a result it makes a good starting point for someone who wants to explore these higher harmonies without sounding too foreign.

@@ Line 1: / Line 1: @@
 {{Idiosyncratic terms}}
-'''Screamapillar''' is a 7-note MODMOS in [[17edo|17edo]] (or its close cousins like [[27edt|27edt]] or [[44ed6|44ed6]]), or the temperament which characterizes this scale. Screamapillar has three different step sizes and is described as a LLmmLLs scale (i. e., 3322331). As such, it is not a maximally even scale (since seconds, thirds, sixths, and sevenths all come in three rather than two sizes). However, screamapillar is notable for being [[Rothenberg_propriety|strictly proper]], whereas the 17edo diatonic scale is not proper at all, and the 12edo diatonic scale is proper but not strictly so.
+The 7-note MODMOS LLmmLLs, usually in [[17edo|17edo]] or its close cousins like [[27edt|27edt]] or [[44ed6|44ed6]], (that is, 3322331), and the temperament which characterizes this scale, are called '''"screamapillar"''', though this name is heavily disliked. Screamapillar is not a maximally even scale (since seconds, thirds, sixths, and sevenths all come in three rather than two sizes). However, screamapillar is notable for being [[Rothenberg_propriety|strictly proper]], whereas the 17edo diatonic scale is not proper at all, and the 12edo diatonic scale is proper but not strictly so.
 Screamapillar 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 screamapillar (specifically, the Springfieldian mode). Screamapillar 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.
-Screamapillar is named by analogy with [[Scorp|scorp]] (as both are arthropod creatures starting with "sc"), 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.
+Screamapillar is named by 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. Also, the ''[https://en.wikipedia.org/wiki/The_Simpsons_Theme Simpsons theme]'' uses a scale which, although not exactly screamapillar, does contain a sharpened fourth.
-[[file:screamapillar.gif|right]]
 Because screamapillar is so similar to the diatonic scale, it's not as xen as one might expect a no-fives 13-limit system to be, and as a result it makes a good starting point for someone who wants to explore these higher harmonies without sounding too foreign.