The G♭ Minor Major 7th chord is a four-note chord made up of G♭, B♭♭, D♭, and F. It is built from a root, minor third, perfect fifth, and major seventh.
Construction
| Note | Interval | Degree |
|---|---|---|
| G♭ | Root | 1 |
| B♭♭ | Minor 3rd | ♭3 |
| D♭ | Perfect 5th | 5 |
| F | Major 7th | 7 |
G♭ Minor Major 7th 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♭ Minor Major 7th is the tonic (i) chord of Gb Minor, which shares the signature of its relative major, A Major — 3 sharps (F♯, C♯, G♯).
Order of sharps
Sharps are added to a key signature in a fixed order. Each new sharp key adds the next sharp on the list.
Mnemonic: Father Charles Goes Down And Ends Battle
Chords in the Key of G♭ Minor
These are the triads built on each degree of the G♭ minor scale: