are ther sites that teach the pitch axis theory

because i know the ionian to locrian scales but i don't know how to apply them

the problem with wik is that it only tells of the relation of C to D and F
How is that a probelm? All it is is you use the same root and go from like Ab Major(Ab Bb,C,Db,Eb,F,G) to Ab Harmonic minor (Ab,Bb,Cb,Db,Eb,Fb,G) to like Ab Mixolydian (Ab Bb Cb,Db,Eb,F,Gb ).
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Pitch Axis Theory is all about changing the keys while keeping the same tonal center. So basically going though E ionian, E dorian, and so on, while keeping the same "root" of E.
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