Introduction

The Ab Harmonic Minor Scale raises the 7th degree of the Ab Natural Minor scale by a half step, creating a leading tone and the characteristic augmented 2nd interval. Its notes are Ab - Bb - Cb - Db - Eb - Fb - G - Ab.

Enharmonic equivalent: A♭ is enharmonically equivalent to G♯. See G# Harmonic Minor Scale Scale.

Ab Harmonic Minor Scale Notes

Degree	Name	Note	Interval
1	Tonic	A♭	P1
2	Supertonic	B♭	M2
♭3	Mediant	C♭	m3
4	Subdominant	D♭	P4
5	Dominant	E♭	P5
♭6	Submediant	F♭	m6
7	Leading Tone	G	M7
8	Octave	A♭	P8

Key Signature

The Ab Harmonic Minor Scale uses the same key signature as Ab natural minor (its relative major, Cb Major) — 7 flats (B♭, E♭, A♭, D♭, G♭, C♭, F♭). The raised 7th degree is written as an accidental, not in the signature.

B♭E♭A♭D♭G♭C♭F♭

Written as accidentals

G♮

Order of flats

Flats are added in a fixed order — the reverse of the sharp order. Each new flat key adds the next flat on the list.

B♭E♭A♭D♭G♭C♭F♭

Mnemonic: Battle Ends And Down Goes Charles’ Father

Parallel and Relative Keys

Every harmonic minor scale has two close cousins. The parallel key shares the same root note but flips the mode (major ↔ minor). The relative key shares the exact same notes and key signature, but starts on a different tonic — three semitones up. Both relationships matter for songwriting: borrowing chords from the parallel key adds emotional color, and pivoting to the relative key is a smooth way to change the mood of a section without changing keys on paper.

Parallel key: Ab Major Scale — same root note (Ab), opposite mode. The third, sixth, and seventh degrees shift by a half-step. See also the Ab Major Chord.

Relative key: B Major Scale — same key signature, different tonic. Ab Harmonic Minor and B Major use the same seven notes; the difference is which note feels like “home.” See also the B Major Chord.

Diatonic Chords in the A♭ Harmonic Minor Scale

These are the triads built on each degree of the A♭ Harmonic Minor Scale:

i — A♭ Minor (minor)

Degree	Numeral	Chord	Quality
1	i	A♭ Minor	Minor
2	ii°	B♭ Diminished	Diminished
3	III+	C♭ Augmented	Augmented
4	iv	D♭ Minor	Minor
5	V	E♭ Major	Major
6	VI	F♭ Major	Major
7	vii°	G Diminished	Diminished

Ab Harmonic Minor Scale — Frequently Asked Questions

What notes are in the Ab Harmonic Minor Scale?

The Ab Harmonic Minor Scale contains: Ab Bb Cb Db Eb Fb G (plus the octave). It is the Ab Natural Minor scale with the 7th degree raised by one semitone (to G). This creates the characteristic augmented 2nd interval between the b6 and the raised 7th.

How does the Ab Harmonic Minor Scale differ from Ab Natural Minor?

The only difference is the 7th degree: Natural Minor uses b7, while Harmonic Minor raises it to a natural 7th (G). This raised 7th creates a stronger leading tone that resolves powerfully back to the tonic, and produces the characteristic augmented 2nd (3 semitones) between the b6 and raised 7th.

What is the augmented 2nd and why does it matter?

The augmented 2nd is the 3-semitone gap between the b6 and raised 7th of the harmonic minor scale. In Ab Harmonic Minor this falls between Fb and G. This unusual interval gives the harmonic minor its exotic, dramatic character — it is common in flamenco, classical music, and Middle Eastern music.

Why is it called the harmonic minor scale?

It is called "harmonic" minor because the raised 7th allows the construction of a major V chord (dominant chord) in a minor key. In Ab Minor, the natural V chord would be minor (using b7), but with the raised 7th, V becomes a major chord with a strong tritone tension that resolves back to the i chord — the basis of harmonic progression in minor keys.

What is the fingering for the Ab Harmonic Minor Scale?

Right hand: 34123123. Left hand: 32132143. The harmonic minor uses the same fingering as the natural minor scale — the raised 7th does not change finger placement. Practice each hand separately at slow tempo before combining.

What music uses the Ab Harmonic Minor Scale?

Harmonic minor scales are used extensively in Classical music (Baroque through Romantic), flamenco, Arabic maqam music, Jewish klezmer, and metal. The Ab Harmonic Minor Scale gives a dramatic, almost exotic flavour to melodies and is common in the works of Bach, Beethoven, and Paganini.

Practice Tips

Compare Ab Natural Minor and Ab Harmonic Minor side by side — the only change is the raised 7th (G). Listen for how that one note transforms the character.
Feel the augmented 2nd between Fb and G — this 3-semitone leap is the scale's signature sound. Practice just that interval as a two-note exercise.
Use the correct fingering (RH: 34123123) — the raised 7th does not change the fingering pattern.
Practice the V–i cadence in Ab: the raised 7th is what makes the dominant chord major, giving the resolution its power.
Listen to flamenco, klezmer, or Baroque violin for the harmonic minor sound — ear training is essential alongside technical practice.
Improvise over a Ab minor chord progression using harmonic minor — emphasise the raised 7th as a leading tone into the tonic.

Explore More

Harmonic Minor Scale in Other Keys

C C#Db D D#Eb E F F#Gb G G#A A#Bb B Cb

Chords in the Key of Ab

iAb Minor ii°Bb Diminished IIIB Major ivDb Minor vEb Minor VIE Major VIIGb Major

Browse all Harmonic Minor Scales →All Ab Scales →Learn about minor scales →

Related Lessons

Keep going with the Harmonic Minor scale — these pages cover the underlying theory, the connected reference material, and the practice tools that work with this scale.

Theory

Reference

References & Further Reading

The note names, intervals, fingering, and harmony on this scale page are grounded in the following sources. Public domain treatises and scores are linked to their full text; primary data reflects piano.org's own interval-derived dataset.

1
George Grove (ed.)(1900)
A Dictionary of Music and Musicians
Public domain treatise
2
C. P. E. Bach(1753)
Essay on the True Art of Playing Keyboard Instruments
Public domain treatise
3
W. A. Mozart(1783)
Piano Sonata in A♭ major, K. 331
Public domain score
4
piano.org(2024)
piano.org scale note dataset — 25 scale types × 18 keys, derived from interval construction rules
Primary data

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Ab Harmonic Minor Scale