Скачать или смотреть INVERTED PROMETHEUS SCALE

prometheus scale played four times
a)two octaves scale,
b)chords notes description,
c)playing chords
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...the scales have a intervals formula...
...when you apply this formula backward rather than forwards..it can be say that you have inverted this intervals, this scale...

you can find this kind of relationship in:

harmonic minor-harmonic major
poorvi scale-todi scale
maarva scale-locrian q7 scale
sambah scale -neapolitan minor scale
enigmatic minor scale -enigmatic descendent scale
enigmatic ascendent scale -locrian #2 q3 scale
hirajoshi scale-balinese scale

....the root is not always at the same point, can be one of the 7 modes of the other scale...