Ab Harmonic Major Scale Notes

Degree	Name	Note	Interval
1	Tonic	Ab4	P1
2	Supertonic	Bb4	M2
3	Mediant	C5	M3
4	Subdominant	Db5	P4
5	Dominant	Eb5	P5
6	Submediant	Fb5	m6
7	Leading Tone	G5	M7
8	Octave	Ab5	—

Key Signature

The key of Ab Harmonic Major Scale has 4 flats: B♭, E♭, A♭, D♭.

B♭E♭A♭D♭

Parallel key: Ab Minor Scale — same root note, opposite mode. See also the Ab Minor Chord.

Relative key: F Minor Scale — shares the same key signature. See also the F Minor Chord.

These are the diatonic triads built on each degree of the Ab Harmonic Major 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