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A piano reference: chords, scales, theory. Full MIDI.

G 7♯9

Notes: G – B – D – F – A♯
Degrees: 1 – 3 – 5 – ♭7 – ♯9
Also written: G7♯9Lower A♯ to A and it is G9; lower D to D♭ and it is G7♭5♯9. G, B and F do not move.

Construction

G 7♯9 = Root + Major 3rd + Perfect 5th + Minor 7th + Minor 3rd = G, B, D, F, A♯
NoteIntervalDegree
GRoot1
BMajor 3rd3
DPerfect 5th5
FMinor 7th♭7
A♯Minor 3rd♭3

How to Play the G 7♯9

Right Hand (RH)

Place your right hand over the keys with the thumb on the root. Use the fingering: 1 – 2 – 3 – 4 – 5

Left Hand (LH)

For the left hand, start with your pinky on the root. Use the fingering: 5 – 4 – 3 – 2 – 1

G 7♯9 : Frequently Asked Questions

What is the G 7♯9 chord on piano?
The G 7♯9 chord contains the notes G – B – D – F – A♯. On piano, play these notes together to sound the chord.
What notes are in the G 7♯9 chord?
The G 7♯9 chord (G7♯9) contains 5 notes: G, B, D, F, A#. Formula: R-M3-P5-m7-A9.
How is G7♯9 used in music?
G7♯9 is used in jazz, fusion, and contemporary music to add harmonic color. It appears as a dominant or tonic chord depending on context.
What is the scale degree formula for G7♯9?
G7♯9 uses scale degrees 1-3-5-b7-#9, giving it its distinctive sound.

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