The G♭ 7sus4 chord is a four-note chord made up of G♭, C♭, D♭, and F♭. It is built from a root, perfect fourth, perfect fifth, and minor seventh.
Construction
| Note | Interval | Degree |
|---|---|---|
| G♭ | Root | 1 |
| C♭ | Perfect 4th | 11 |
| D♭ | Perfect 5th | 5 |
| F♭ | Minor 7th | ♭7 |
G♭ 7sus4 Inversions



| Position | Notes |
|---|---|
| Root Position | G♭ – C♭ – D♭ – F♭ |
| 1st Inversion | C♭ – D♭ – F♭ – G♭ |
| 2nd Inversion | D♭ – F♭ – G♭ – C♭ |
| 3rd Inversion | F♭ – G♭ – C♭ – D♭ |
Key Signature
A chord has no key signature of its own, but the G♭ 7sus4 is the tonic (I) chord of Gb Major, whose key signature has 6 flats (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.
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: