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A piano reference: chords, scales, theory. Full MIDI.

A♭ Minor

Notes: A♭ - C♭ - E♭ | Degrees: 1 - ♭3 - 5 | Written: A♭m, A♭min, A♭-

Construction: Root, Minor 3rd, Perfect 5th

It comes from the Ab Minor scale (Ab, Bb, Cb, Db, Eb, Fb, and Gb) and is formed using the 1st, 3rd, and 5th scale degrees

Fingering: RH 2-3-5, LH 5-3-2

Inversions: Root A♭m - 1st A♭m/C♭ - 2nd A♭m/E♭

G♯ Minor
This is the same chord as G♯ Minor: the same keys on the keyboard, spelled with sharps.
Related boards
A♭m7 st, 96.0 mmRoot position, figured bass 5/3

A♭3, C♭3, E♭4

Fingerings

Root position: either hand, fingers low note to high
HandNotesFingers
RightA♭, C♭, E♭1-3-5
LeftA♭, C♭, E♭5-3-1

Close-position standard fingering: either hand takes the whole shape. Thumb is 1, little finger is 5.

A♭ Minor: notes and degrees

A♭m contains A♭, C♭ and E♭. A minor third with a perfect fifth above the root.

Scale degree, note, and interval measured from the root.
DegreeNoteInterval from rootSemitones
1A♭Perfect unison0
♭3C♭Minor third3
5E♭Perfect fifth7

A♭ and E♭ are black keys; C♭ is white.

Construction

A♭ Minor = Root + Minor 3rd + Perfect 5th = A♭, C♭, E♭
NoteIntervalDegree
A♭Root1
C♭Minor 3rd♭3
E♭Perfect 5th5

Fingering

NoteKey colorRight handLeft hand
A♭blackthumb (1)little finger (5)
C♭whitemiddle finger (3)middle finger (3)
E♭blacklittle finger (5)thumb (1)

Right hand: thumb (1) on A♭, middle finger (3) on C♭, little finger (5) on E♭.

Left hand: little finger (5) on A♭, middle finger (3) on C♭, thumb (1) on E♭.

A♭ Minor Inversions

  • Root position
    A♭ – C♭ – E♭
  • 1st inversion (A♭m/C♭)
    C♭ – E♭ – A♭
  • 2nd inversion (A♭m/E♭)
    E♭ – A♭ – C♭

Key Signature

A chord has no key signature of its own, but the A♭ Minor is the tonic (i) chord of A♭ Minor, which shares the signature of its relative major, C♭ Major: 7 flats (B♭, E♭, A♭, D♭, G♭, C♭, F♭).

B♭E♭A♭D♭G♭C♭F♭

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.

BEADGCF

Mnemonic: Battle Ends And Down Goes Charles’ Father

Chords in the Key of A♭ Minor

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

C1C2C3C4C♭C5C6C7C8A♭E♭
iA♭ Minor (minor)
DegreeNumeralChordQuality
1iA♭ MinorMinor
2ii°B♭ DiminishedDiminished
3IIIC♭ MajorMajor
4ivD♭ MinorMinor
5vE♭ MinorMinor
6VIF♭ MajorMajor
7VIIG♭ MajorMajor

How A♭ Minor functions in a key

The same chord takes on a different harmonic role depending on the key it appears in. Here is where A♭ Minor sits diatonically across the common keys:

  • In C♭ major, A♭ Minor is the vi chordthe tonic.
  • In A♭ minor, A♭ Minor is the i chordthe tonic.
  • In G♭ major, A♭ Minor is the ii chorda predominant.
  • In E♭ minor, A♭ Minor is the iv chorda predominant.

Scales That Include the A♭ Minor

A♭ Minor : Frequently Asked Questions

What is the A♭ Minor chord on piano?
The A♭ Minor chord contains the notes A♭ – C♭ – E♭. On piano, play these notes together to sound the chord.
What notes make up the Ab Minor chord?
Ab Minor contains three notes: Ab (root), Cb (minor third), and Eb (perfect fifth). Cb is enharmonically B on the piano. Ab Minor has two black keys (Ab and Eb) surrounding what sounds like B.
What fingering do I use for Ab Minor?
Right hand: finger 2 on Ab, finger 3 on Cb/B, finger 5 on Eb. Left hand: finger 3 on Ab, finger 2 on Cb/B, finger 1 on Eb. The middle note (Cb) is a white key (B), which can feel slightly unexpected given the flat key context.
What are the inversions of Ab Minor?
First inversion (Abm/Cb): Cb–Eb–Ab (B–Eb–Ab in white-key terms). Second inversion (Abm/Eb): Eb–Ab–Cb. Both inversions appear in Romantic music and film scores requiring deep minor-key gravitas.
What songs use the Ab Minor chord?
Ab Minor (enharmonically G# Minor) appears in Romantic piano repertoire by Chopin and Rachmaninoff, in film and game soundtracks, and as the vi chord in Cb/B Major. In pop contexts it often appears as G# Minor.
What is the relationship between Ab Minor and G# Minor?
They are enharmonically equivalent: the same piano keys, different spellings. Ab Minor (Ab–Cb–Eb) uses flat notation; G# Minor (G#–B–D#) uses sharp notation. G# Minor is more commonly seen in published music (relative minor of B Major).
What chords pair well with Ab Minor?
In Ab Minor: E Major/Fb Major (VI), B Major/Cb Major (III), Db Major (VII), Eb Major (V). In sharp-key notation (G# Minor): E Major (VI), B Major (III), D Major (VII), D# Major (V). G#m–E–B–F# is a common sharp-key minor progression.

A♭ Minor in detail

Exact

Every pitch class is present and nothing outside the chord is added.

TypeNotesSemitonesSpanOmissions and additionsSet relationFit
Close, root positionA♭3 C♭3 E♭4796 mmnoneidentical
Close, first inversionC♭3 E♭4 A♭49124 mmnoneidentical
Close, second inversionE♭4 A♭4 C♭48110 mmnoneidentical
Open, fifth on topA♭2 E♭3 C♭315206 mmnoneidentical

Reduced

A subset of the pitch classes: the identity is incomplete rather than altered.

TypeNotesSemitonesSpanOmissions and additionsSet relationFit
Root and third onlyA♭3 C♭3341 mmomits E♭subset

Spans are measured centre to centre at a 165 mm octave (standard keyboard geometry).

Which keys it belongs to

KeyRoman numeralFunction
C♯ minorvMinor dominant
E♭ minorivSubdominant
E majoriiiTonic substitute
G♭ majoriiPredominant
G♯ minoriTonic, home
B majorviTonic substitute

Classification system: common-practice functional harmony.

Change one note

Chords a single note away, and what moving that note does.

ChordChangeFormulaCommon tones
A♭m7adds G♭1 ♭3 5 ♭73
A♭mMaj7adds G1 ♭3 5 73
A♭m6adds F1 ♭3 5 63
A♭C♭ becomes C1 3 52
A♭dimE♭ becomes E♭♭1 ♭3 ♭52
A♭sus2C♭ becomes B♭1 2 52
A♭sus4C♭ becomes D♭1 4 52
A♭maj7C♭ becomes C, G1 3 5 72
A♭7C♭ becomes C, G♭1 3 5 ♭72
A♭m7♭5E♭ becomes E♭♭, G♭1 ♭3 ♭5 ♭72
A♭dim7E♭ becomes E♭♭, G♭♭1 ♭3 ♭5 ♭♭72
A♭7sus4C♭ becomes D♭, G♭1 4 5 ♭72

Frequencies

NoteMIDIFrequency
A♭356207.65 Hz
C♭359246.94 Hz
E♭463311.13 Hz

Reference pitch A440, 12-TET, close root position.

Set theory: prime form, Forte number, interval vector
Absolute pitch class set
{8, 11, 3}
Normal order
[8, 11, 3]
Prime form
(037)
Forte number
3-11
Interval vector
<001110>
PairIntervalSemitonesInterval class
A♭ to C♭Minor third33
A♭ to E♭Perfect fifth75
C♭ to E♭Major third44

Where these facts come from

Every value on this page is derived from the note formula for a minor applied to the root A♭, using standard music theory. Nothing here is hand-entered per chord, so the notes, intervals, inversions and frequencies cannot drift out of agreement with each other. Pitches assume 12-TET at A440.