Ab Whole-Half Diminished Scale

Ab – Bb – Cb – Db – Ebb – Fb – F – G – Ab

Formula:W-H-W-H-W-H-W-H

Intervals:P1-M2-m3-P4-d5-m6-M6-M7

Ab Whole-Half Diminished Scale Notes

Degree	Name	Note	Interval
1	Tonic	Ab4	P1
2	Supertonic	Bb4	M2
3	Mediant	Cb4	m3
4	Subdominant	Db5	P4
5	Dominant	Ebb5	d5
6	Submediant	Fb5	m6
7	Leading Tone	F5	M6
8	Octave	G5	M7
9	Degree 9	Ab5	—

The key of Ab Whole-Half Diminished Scale has 4 flats: B♭, E♭, A♭, D♭.

B♭E♭A♭D♭

These are the diatonic triads built on each degree of the Ab Whole-Half Diminished Scale:

Degree	Numeral	Chord	Quality
1	I	Ab Major	Major
2	ii	Bb Minor	Minor
3	iii	C Minor	Minor
4	IV	Db Major	Major
5	V	Eb Major	Major
6	vi	F Minor	Minor
7	vii°	G Diminished	Diminished