G7♭9
G Dominant 7th Flat 9 — a dominant with a dark flattened ninth — sharp tension that resolves with real drama, especially into minor.
The keys
G – B – D – F – A♭
What's inside G7♭9
| Note | Interval from root | Degree |
|---|---|---|
| G | Root | 1 |
| B | Major 3rd | 3 |
| D | Perfect 5th | 5 |
| F | Minor 7th | b7 |
| A♭ | Flat 9th | b9 |
A working voicing
Split the chord between two hands the way working players do — a solid shell low down, the colour tones up top:
| Hand | Keys |
|---|---|
| Left (shell) | G2 – F3 |
| Right (colour) | B4 – A♭5 |
Where G7♭9 lives
Hard resolution
G7♭9 → Cm9
Altered dominants resolve with maximum drama — especially into minor.
Chromatic approach
Dm7 → G7♭9 → C
The alteration sharpens the pull of the standard two-five.
Put G7♭9 under your fingers
Hear every voicing, see the keys light up, and drill it in the interactive Chord & Voicing Lab.
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