PianoChords.ca

A♭m7♭5 chord

A♭ Half-Diminished 7th

Abm7b5 · Root

1Ab3b3Cb4b5E𝄫4b7Gb4
b3C4b5C51b7

Every chord tone stacked from the root up.

Click keys to experiment with the chord

Notes

A♭ – C♭ – E𝄫 – G♭

Formula

1 – b3 – b5 – b7

Practice Note

The half-diminished chord is the usual iiø7 in a minor-key ii–V–i, commonly paired with Locrian or Locrian natural 2. Its b5 and b7 lead into the dominant; the root may be omitted in a piano voicing when supplied by bass.

Try next

Abm7 · SiblingAbdim7 · SiblingDb7b9 · Next in ii–VF#m · ii–V–i targetBm6 · Same notesE9 · Same notes (rootless)

About Abm7b5

The Abm7b5 chord sounds dark and ambiguous, the classic jazz ii chord in minor keys. Its notes are Ab, Cb, Ebb, Gb. This chord is commonly heard in jazz.

Jazz
All Ab chords (61)

Triads

Ab — MajorAbm — MinorAbdim — DiminishedAbaug — AugmentedAbsus2 — Suspended 2ndAbsus4 — Suspended 4thAb5 — Power Chord

7ths

Ab7 — Dominant 7thAbmaj7 — Major 7thAbm7 — Minor 7thAbm7#5 — Minor 7th Sharp 5Abdim7 — Diminished 7thAb6 — Major 6thAbm6 — Minor 6thAb7sus4 — Dominant 7th Sus4Ab7sus2 — Dominant 7th Sus2

Extended

Ab9 — Dominant 9thAbmaj9 — Major 9thAbm9 — Minor 9thAbadd9 — Add 9Abadd11 — Add 11Abadd2 — Add 2Abadd#11 — Add Sharp 11Ab11 — Dominant 11thAb13 — Dominant 13thAb6/9 — 6/9Abmaj13 — Major 13thAbm(add2) — Minor Add 2Abm(add9) — Minor Add 9Abm(add11) — Minor Add 11AbmMaj7 — Minor Major 7thAbm11 — Minor 11thAbm13 — Minor 13thAbm6/9 — Minor 6/9Ab7#11 — Dominant 7th Sharp 11Ab9#11 — Dominant 9th Sharp 11Ab13#11 — Dominant 13th Sharp 11Ab9sus4 — Dominant 9th Sus4Ab13sus4 — Dominant 13th Sus4Abmaj7#11 — Major 7th Sharp 11Abmaj9#11 — Major 9th Sharp 11AbmMaj9 — Minor Major 9thAbm9b5 — Half-Diminished 9th

Altered

Ab7#9 — Dominant 7th Sharp 9Ab7b9#9 — Dominant 7th Flat 9 Sharp 9Ab13#9 — Dominant 13th Sharp 9Ab7b9 — Dominant 7th Flat 9Ab7#5 — Dominant 7th Sharp 5Ab7b5 — Dominant 7th Flat 5Ab7alt — Altered DominantAb7#9#5 — Dominant 7th #9 #5Ab7b9b5 — Dominant 7th b9 b5Ab7#9b5 — Dominant 7th #9 b5Ab7sus4b9 — Dominant 7th Sus4 Flat 9Ab9#5 — Dominant 9th Sharp 5Ab9b5 — Dominant 9th Flat 5Ab13b9 — Dominant 13th Flat 9Ab7b13 — Dominant 7th Flat 13Abaug7 — Augmented 7thAbdim(maj7) — Diminished Major 7thAbaugMaj7 — Augmented Major 7th