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Fm9b5 chord

F Half-Diminished 9th

Fm9b5 · Piano chord

1F4b3Ab4b5Cb5b7Eb59G5
C3C41b5C59b3b7

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Notes

F – Ab – Cb – Eb – G

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

Fm7b5 · SimplerFm9 · SiblingBb7b9 · Next in ii–VEbm · ii–V–i target

About Fm9b5

The Fm9b5 chord sounds distinctive, with a half-diminished 9th character. Its notes are F, Ab, Cb, Eb, G.

All F chords (58)

Triads

F — MajorFm — MinorFdim — DiminishedFaug — AugmentedFsus2 — Suspended 2ndFsus4 — Suspended 4thF5 — Power Chord

7ths

F7 — Dominant 7thFmaj7 — Major 7thFm7 — Minor 7thFdim7 — Diminished 7thFm7b5 — Half-Diminished 7thF6 — Major 6thFm6 — Minor 6thF7sus4 — Dominant 7th Sus4F7sus2 — Dominant 7th Sus2

Extended

F9 — Dominant 9thFmaj9 — Major 9thFm9 — Minor 9thFadd9 — Add 9Fadd11 — Add 11Fadd2 — Add 2Fadd#11 — Add Sharp 11F11 — Dominant 11thF13 — Dominant 13thF6/9 — 6/9Fmaj13 — Major 13thFm(add2) — Minor Add 2Fm(add9) — Minor Add 9Fm(add11) — Minor Add 11FmMaj7 — Minor Major 7thFm11 — Minor 11thFm13 — Minor 13thFm6/9 — Minor 6/9F7#11 — Dominant 7th Sharp 11F9#11 — Dominant 9th Sharp 11F13#11 — Dominant 13th Sharp 11F9sus4 — Dominant 9th Sus4F13sus4 — Dominant 13th Sus4Fmaj7#11 — Major 7th Sharp 11Fmaj9#11 — Major 9th Sharp 11FmMaj9 — Minor Major 9th

Altered

F7#9 — Dominant 7th Sharp 9F7b9 — Dominant 7th Flat 9F7#5 — Dominant 7th Sharp 5F7b5 — Dominant 7th Flat 5F7alt — Altered DominantF7#9#5 — Dominant 7th #9 #5F7b9b5 — Dominant 7th b9 b5F7#9b5 — Dominant 7th #9 b5F7sus4b9 — Dominant 7th Sus4 Flat 9F9#5 — Dominant 9th Sharp 5F9b5 — Dominant 9th Flat 5F13b9 — Dominant 13th Flat 9F7b13 — Dominant 7th Flat 13Faug7 — Augmented 7thFdim(maj7) — Diminished Major 7thFaugMaj7 — Augmented Major 7th