Cb Half-Whole Diminished Scale

Cb – Dbb – Ebb – Eb – Gbb – Gb – Ab – Bbb – Cb

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

Intervals:P1-m2-m3-M3-d5-P5-M6-m7

Cb Half-Whole Diminished Scale Notes

Degree	Name	Note	Interval
1	Tonic	Cb4	P1
2	Supertonic	Dbb5	m2
3	Mediant	Ebb5	m3
4	Subdominant	Eb5	M3
5	Dominant	Gbb5	d5
6	Submediant	Gb5	P5
7	Leading Tone	Ab5	M6
8	Octave	Bbb5	m7
9	Degree 9	Cb5	—

The key of Cb Half-Whole Diminished Scale has 7 flats: B♭, E♭, A♭, D♭, G♭, C♭, F♭.

B♭E♭A♭D♭G♭C♭F♭

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

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