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G7♭9 chord

G Dominant 7th Flat 9

G7b9 · Root

1G33B35D4b7F4b9Ab4
13C45b7C5b9

Every chord tone stacked from the root up.

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Notes

G – B – D – F – A♭

Formula

1 – 3 – 5 – b7 – b9

Practice Note

A flat ninth gives the dominant a strong pull, especially as V7 in a minor key, where Phrygian dominant or the altered scale are common choices. The half-whole diminished scale suits resolutions to major; b9 and the guide tones resolve into the following chord.

Try next

G7 · SimplerG13b9 · RicherG7#9 · SiblingCm · Resolves toDm7b5 · ii in minorAbdim7 · Same notes (upper)

About G7b9

The G7b9 chord sounds dark and dramatic, a staple of minor-key resolutions. Its notes are G, B, D, F, Ab.

All G chords (61)

Triads

G — MajorGm — MinorGdim — DiminishedGaug — AugmentedGsus2 — Suspended 2ndGsus4 — Suspended 4thG5 — Power Chord

7ths

G7 — Dominant 7thGmaj7 — Major 7thGm7 — Minor 7thGm7#5 — Minor 7th Sharp 5Gdim7 — Diminished 7thGm7b5 — Half-Diminished 7thG6 — Major 6thGm6 — Minor 6thG7sus4 — Dominant 7th Sus4G7sus2 — Dominant 7th Sus2

Extended

G9 — Dominant 9thGmaj9 — Major 9thGm9 — Minor 9thGadd9 — Add 9Gadd11 — Add 11Gadd2 — Add 2Gadd#11 — Add Sharp 11G11 — Dominant 11thG13 — Dominant 13thG6/9 — 6/9Gmaj13 — Major 13thGm(add2) — Minor Add 2Gm(add9) — Minor Add 9Gm(add11) — Minor Add 11GmMaj7 — Minor Major 7thGm11 — Minor 11thGm13 — Minor 13thGm6/9 — Minor 6/9G7#11 — Dominant 7th Sharp 11G9#11 — Dominant 9th Sharp 11G13#11 — Dominant 13th Sharp 11G9sus4 — Dominant 9th Sus4G13sus4 — Dominant 13th Sus4Gmaj7#11 — Major 7th Sharp 11Gmaj9#11 — Major 9th Sharp 11GmMaj9 — Minor Major 9thGm9b5 — Half-Diminished 9th

Altered

G7#9 — Dominant 7th Sharp 9G7b9#9 — Dominant 7th Flat 9 Sharp 9G13#9 — Dominant 13th Sharp 9G7#5 — Dominant 7th Sharp 5G7b5 — Dominant 7th Flat 5G7alt — Altered DominantG7#9#5 — Dominant 7th #9 #5G7b9b5 — Dominant 7th b9 b5G7#9b5 — Dominant 7th #9 b5G7sus4b9 — Dominant 7th Sus4 Flat 9G9#5 — Dominant 9th Sharp 5G9b5 — Dominant 9th Flat 5G13b9 — Dominant 13th Flat 9G7b13 — Dominant 7th Flat 13Gaug7 — Augmented 7thGdim(maj7) — Diminished Major 7thGaugMaj7 — Augmented Major 7th