Construction
G♭ Major 7♯5 = Root + Major 3rd + Minor 6th + Major 7th = G♭, B♭, D, F
| Note | Interval | Degree |
|---|---|---|
| G♭ | Root | 1 |
| B♭ | Major 3rd | 3 |
| D | Minor 6th | ♯5 |
| F | Major 7th | 7 |
Fingering
| Note | Key color | Right hand | Left hand |
|---|---|---|---|
| G♭ | black | index finger (2) | little finger (5) |
| B♭ | black | 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 6 flats (B♭, E♭, A♭, D♭, G♭, C♭).
B♭E♭A♭D♭G♭C♭
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.