So I think I see a way to replicate the Alpha Scale invented by Wendy Carlos.
So instead of being based on dividing an octave into 12 equal semitones, it divides a perfect fifth into 9 equal steps.
I have included a visualizer for the notes. I have no clue what constitutes a diatonic scale in this system though 
I will say that you direct a pitch scaled signal (-4 to 4) and out will pop a signal that will play in the Alpha Scale in the 1/Oct system.
FUN! 
Alpha Tuning.audulus (326.9 KB)
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