33
Ionian
3 CC 3 CC
Mode formulas
A quick reference you can scan in seconds.
This page condenses the method into the core movement rules and the seven formulas you need to remember.
12 root notes
12
7 modes
7
Formula and cancellation
33 · 231 · 132
231
Dorian
2 CC 3 CC 1
132
Phrygian
1 CC 3 CC 2
42
Lydian
4 CC 2 CC
321
Mixolydian
3 CC 2 CC 1
222
Aeolian
2 CC 2 CC 2
123
Locrian
1 CC 2 CC 3
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The formulas are easier to remember when they stay tied to the shape of the instrument instead of floating as abstract theory.
C
D
E
F
G
A
B
C
C♯
D♯
F♯
G♯
A♯
Intersection E-F
Intersection B-C
Formula and cancellation
1
Count keys of the same color.
2
When you cross E-F or B-C, watch for the intersection rule.
3
Apply CC when the mode formula asks for a color change.
4
If formula CC and intersection CC happen together, they cancel out.