A♭ Minor 7th
Also Known As
Hear the A♭ Minor 7th chord played for you.
A♭m7
A♭ – B – E♭ – G♭
Formula:R-m3-P5-m7
Intervals:P1-m3-P5-m7
Scale Degrees:1-b3-5-b7
Introduction
The A♭ Minor 7th chord is a four-note chord made up of A♭, B, E♭, and G♭. It is built from a root, minor third, perfect fifth, and minor seventh.
The Ab Minor 7th piano chord (Abm7) consists of the notes Ab, B, Eb, Gb. It is a minor triad with an added minor 7th, giving it a smooth, dark, soulful sound common in jazz and R&B. Formula: R-m3-P5-m7 | Scale degrees: 1-b3-5-b7.
Notes
A♭ Minor 7th Inversions
| Position | Notes |
|---|---|
| Root Position | A♭ – B – E♭ – G♭ |
| 1st Inversion | B – E♭ – G♭ – A♭ |
| 2nd Inversion | E♭ – G♭ – A♭ – B |
| 3rd Inversion | A♭ – B – E♭ – G♭ |
Key Signature
The key of Ab Minor 7th has 7 flats.
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.
B♭E♭A♭D♭G♭C♭F♭
Mnemonic: Battle Ends And Down Goes Charles’ Father
Chords in the Key of A♭ Minor
These are the diatonic triads built on each degree of the A♭ minor scale:
C
D
E
F
G
A
B
C
D
E
F
G
A
B
i — A♭ Minor (minor)
Theory: Intervals
Formula: R-m3-P5-m7
Intervals: P1-m3-P5-m7
The A♭ Minor 7th is built by stacking intervals from the root note. The formula R-m3-P5-m7 describes the scale degrees used. The intervals P1-m3-P5-m7 show the distance between each note in the chord.
A♭ Minor 7th — Frequently Asked Questions
What notes are in the Ab Minor 7th chord?
The Ab Minor 7th chord (Abm7) contains four notes: Ab (root), Cb (minor third), Eb (perfect fifth), and Gb (minor seventh). Cb is enharmonically B. The minor triad with minor seventh gives this chord its smooth, dark quality.
How does Ab Minor 7th differ from Ab Dominant 7th?
Both have Ab as root. Abm7 has Cb (minor third) and Gb (minor seventh); Ab7 has C (major third) and Gb (minor seventh). The minor third in Abm7 creates a darker, smoother character.
How is Ab Minor 7th used in music?
Abm7 is the ii chord in Gb Major (Abm7–Db7–Gbmaj7). It also functions as the iv chord in Eb minor. Abm7 appears in jazz, R&B, and neo-soul, often in flat-heavy keys favoured by vocalists and horn players.
What genres commonly use Minor 7th chords?
Minor 7th chords are essential in jazz, R&B, neo-soul, soul, funk, lo-fi hip-hop, and bossa nova. They provide the smooth, dark foundation that defines these genres.
What songs use Minor 7th chords?
Minor 7th chords appear throughout Autumn Leaves, So What (Miles Davis), and Black Orpheus. Abm7 appears in jazz standards and R&B songs in Gb Major and Eb minor keys.
What is the ii–V–I progression?
The ii–V–I is the most important jazz progression: Abm7 (ii) → Db7 (V) → Gbmaj7 (I) in Gb Major. Mastering this in all keys is essential for jazz fluency.
Practice Tips
- Play Ab Minor then add Gb — hear the smooth depth the minor seventh brings to the chord.
- Compare Abm7 with Ab7 — the minor vs major third creates entirely different moods: introspective vs driving.
- Practice the ii–V–I in Gb: Abm7 → Db7 → Gbmaj7. Flat keys build fluency across the full keyboard.
- Abm7 has a distinctive all-black-keys shape (Ab, Cb/B, Eb, Gb) — use the physical pattern as a memory anchor.
- Try Abm7 in an R&B vamp: loop Abm7 → Dbm7 for a dark, atmospheric groove.
- Rootless voicing: Cb–Eb–Gb (B–Eb–Gb) without the Ab root for a jazz comping sound.
Related Tools
Chord FinderLook up any chord — see the notes, hear it, and play along.Chord DrillTimed drills to build speed and recognition across all chord types.Practice RoomPlug in a MIDI keyboard and get real-time feedback on every chord and scale.Circle of FifthsVisualize key relationships, relative minors, and key signatures.MIDI MonitorLive MIDI message stream with note names, velocity, and a scrolling staff.