18tet

http://www.angelfire.com/mo/oljare/images/redhalls.mid

This is a demonstration of two MOS i found within 18tet.The first being a 7 note structure,generator 5 steps,L=3 steps,S=2.

LsLsLsL

It is quite similar to the neutral third scale with only one small step replaced by larger.There is no real fifth or fourths,since 18tet doesn't really have any definite such.This is used in the beginning and end of the midi.

The other scale is 8 notes,generator 7 steps,with L=3 steps and S as 1 step.

LLsLsLLs

Used in the middle of the piece(in several different transpositions)this set sometimes appears to have two fifths,one lower and one higher than just.The resulting effect is a very peculiar sort of diatonic scale,with one extra small step(can be seen as 17tet+1).The large step,being 1/6 of the octave is equal to the 12tet whole tone.

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