Construction
G♯ Major 7♭5 = Root + Major 3rd + Diminished 5th + Major 7th = G♯, B♯, D, F♯♯
| Note | Interval | Degree |
|---|---|---|
| G♯ | Root | 1 |
| B♯ | Major 3rd | 3 |
| D | Diminished 5th | ♭5 |
| F♯♯ | Major 7th | 7 |
Fingering
| Note | Key color | Right hand | Left hand |
|---|---|---|---|
| G♯ | black | index finger (2) | little finger (5) |
| B♯ | white | middle finger (3) | ring finger (4) |
| D | white | ring finger (4) | middle finger (3) |
| F♯♯ | white | little finger (5) | index finger (2) |
Right hand: index finger (2) on G♯, middle finger (3) on B♯, ring finger (4) on D, little finger (5) on F♯♯.
Left hand: little finger (5) on G♯, ring finger (4) on B♯, middle finger (3) on D, index finger (2) on F♯♯.
Key Signature
A chord has no key signature of its own, but the G♯ Major 7♭5 is the tonic (I) chord of G♯ Major, whose key signature has 4 flats (B♭, E♭, A♭, D♭).
B♭E♭A♭D♭
Order of flats
Flats are added in a fixed order — the reverse of the sharp order. Each new flat key adds the next flat on the list.
B♭E♭A♭D♭G♭C♭F♭
Mnemonic: Battle Ends And Down Goes Charles’ Father
Chords in the Key of G♯ Major
These are the triads built on each degree of G♯ Major:
G♯ Major 7♭5 : Frequently Asked Questions
What is the G♯ Major 7♭5 chord on piano?
The G♯ Major 7♭5 chord contains the notes G♯ – B♯ – D – F♯♯. On piano, play these notes together to sound the chord.
What is the G# piano chord?
The G# piano chord (written G♯ Major 7♭5) uses the same keys: G♯ – B♯ – D – F♯♯. The # and ♯ symbols name the same black key.