G7♯9

G7♯9 is the g dominant 7th sharp 9 chord, spelled G – B – D – F – A♯. major and minor thirds colliding in one chord — gritty, electric, built for emphatic moments.

The keys
C4C5C6
G – B – D – F – A♯
Practise this chord

Plug in your MIDI keyboard and let Coach Tshepho drill you on G7♯9 — it plays the chord, names any wrong notes as you play, and moves you on when you nail it.

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What's inside G7♯9
NoteInterval from rootDegree
GRoot1
BMajor 3rd3
DPerfect 5th5
FMinor 7thb7
A♯Sharp 9th#9
A working voicing

Split the chord between two hands the way working players do — a solid shell low down, the colour tones up top:

HandKeys
Left (shell)G2 – F3
Right (colour)B4 – B♭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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Play it over a groove
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