The G♯ 7♯5 chord is a four-note chord made up of G♯, B♯, D♯♯, and F♯. It is built from a root, major third, augmented fifth, and minor seventh.
Construction
G♯ 7♯5 = Root + Major 3rd + Minor 6th + Minor 7th = G♯ · B♯ · D♯♯ · F♯
| Note | Interval | Degree |
|---|---|---|
| G♯ | Root | 1 |
| B♯ | Major 3rd | 3 |
| D♯♯ | Minor 6th | ♯5 |
| F♯ | Minor 7th | ♭7 |
G♯ 7♯5 Inversions
| Position | Notes |
|---|---|
| Root Position | G♯ – B♯ – D♯♯ – F♯ |
| 1st Inversion | B♯ – D♯♯ – F♯ – G♯ |
| 2nd Inversion | D♯♯ – F♯ – G♯ – B♯ |
| 3rd Inversion | F♯ – G♯ – B♯ – D♯♯ |
Key Signature
A chord has no key signature of its own, but the G♯ 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 the G♯ major scale:
Same Notes, Other Names
The notes G♯ – B♯ – D♯♯ – F♯ aren’t exclusive to this chord. Depending on which note is the bass and how the chord functions, the same pitches also spell:
G♯ 7♯5 — Frequently Asked Questions
What is the G♯ 7♯5 chord on piano?
The G♯ 7♯5 chord contains the notes G♯ – B♯ – D♯♯ – F♯. On piano, play these notes together to sound the chord.
What notes are in the G# 7♯5 chord?
The G# 7♯5 chord (G#7♯5) contains 4 notes: G#, C, E, F#. Formula: R-M3-A5-m7.
How is G#7♯5 used in music?
G#7♯5 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 G#7♯5?
G#7♯5 uses scale degrees 1-3-#5-b7, giving it its distinctive sound.