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Dm9b5 chord

D Half-Diminished 9th

Dm9b5 · Piano chord

1D4b3F4b5Ab4b7C59E5
C3C41b3b7C59b5

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Notes

D – F – Ab – C – E

Formula

1 – b3 – b5 – b7 – 9

Practice Note

The half-diminished ninth is a minor-key ii chord commonly paired with Locrian natural 2.

Try next

Dm7b5 · SimplerDm9 · SiblingG7b9 · Next in ii–VCm · ii–V–i target

About Dm9b5

The Dm9b5 chord sounds distinctive, with a half-diminished 9th character. Its notes are D, F, Ab, C, E.

All D chords (58)

Triads

D — MajorDm — MinorDdim — DiminishedDaug — AugmentedDsus2 — Suspended 2ndDsus4 — Suspended 4thD5 — Power Chord

7ths

D7 — Dominant 7thDmaj7 — Major 7thDm7 — Minor 7thDdim7 — Diminished 7thDm7b5 — Half-Diminished 7thD6 — Major 6thDm6 — Minor 6thD7sus4 — Dominant 7th Sus4D7sus2 — Dominant 7th Sus2

Extended

D9 — Dominant 9thDmaj9 — Major 9thDm9 — Minor 9thDadd9 — Add 9Dadd11 — Add 11Dadd2 — Add 2Dadd#11 — Add Sharp 11D11 — Dominant 11thD13 — Dominant 13thD6/9 — 6/9Dmaj13 — Major 13thDm(add2) — Minor Add 2Dm(add9) — Minor Add 9Dm(add11) — Minor Add 11DmMaj7 — Minor Major 7thDm11 — Minor 11thDm13 — Minor 13thDm6/9 — Minor 6/9D7#11 — Dominant 7th Sharp 11D9#11 — Dominant 9th Sharp 11D13#11 — Dominant 13th Sharp 11D9sus4 — Dominant 9th Sus4D13sus4 — Dominant 13th Sus4Dmaj7#11 — Major 7th Sharp 11Dmaj9#11 — Major 9th Sharp 11DmMaj9 — Minor Major 9th

Altered

D7#9 — Dominant 7th Sharp 9D7b9 — Dominant 7th Flat 9D7#5 — Dominant 7th Sharp 5D7b5 — Dominant 7th Flat 5D7alt — Altered DominantD7#9#5 — Dominant 7th #9 #5D7b9b5 — Dominant 7th b9 b5D7#9b5 — Dominant 7th #9 b5D7sus4b9 — Dominant 7th Sus4 Flat 9D9#5 — Dominant 9th Sharp 5D9b5 — Dominant 9th Flat 5D13b9 — Dominant 13th Flat 9D7b13 — Dominant 7th Flat 13Daug7 — Augmented 7thDdim(maj7) — Diminished Major 7thDaugMaj7 — Augmented Major 7th