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Diatonic Scale Formulas

Here are the intervals that create the major scale and it’s modes.

Key:

W= Whole Step

H= Half Step

Ionian

1234567
WWHWWWH

Dorian

1234567
WHWWWHW

Phrygian

1234567
HWWWHWW

Lydian

1234567
WWWHWWH

Mixolydian

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WWHWWHW

Aeolian (Natural Minor)

1234567
WHWWHWW

Locrian

1234567
HWWHWWW