The G♭ Minor 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 minor seventh.
Construction
G♭ Minor 7th = Root + Minor 3rd + Perfect 5th + Minor 7th = G♭ · B♭♭ · D♭ · F♭
| Note | Interval | Degree |
|---|---|---|
| G♭ | Root | 1 |
| B♭♭ | Minor 3rd | ♭3 |
| D♭ | Perfect 5th | 5 |
| F♭ | Minor 7th | ♭7 |
G♭ Minor 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 7th is the tonic (i) chord of Gb Minor, which shares the signature of its relative major, A Major — 3 sharps (F♯, C♯, G♯).
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.
F♯C♯G♯D♯A♯E♯B♯
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:
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♭ Minor 7th — Frequently Asked Questions
What is the G♭ Minor 7th chord on piano?
The G♭ Minor 7th chord contains the notes G♭ – B♭♭ – D♭ – F♭. On piano, play these notes together to sound the chord.
What notes are in the Gb Minor 7th chord?
The Gb Minor 7th chord (Gbm7) contains four notes: Gb (root), Bbb (minor third), Db (perfect fifth), and Fb (minor seventh). Bbb is enharmonically A, and Fb is enharmonically E. This chord is the enharmonic equivalent of F#m7.
How does Gb Minor 7th differ from Gb Dominant 7th?
Both have Gb as root. Gbm7 has Bbb (minor third); Gb7 has Bb (major third). The minor third gives Gbm7 a darker, smoother character compared to Gb7's bright dominant drive.
How is Gb Minor 7th used in music?
Gbm7 is the enharmonic equivalent of F#m7 and functions as the ii chord in E Major. In practice, musicians almost always write F#m7. Gbm7 appears in flat-key theoretical contexts.
What genres commonly use Minor 7th chords?
Minor 7th chords are essential in jazz, R&B, neo-soul, soul, funk, lo-fi hip-hop, and bossa nova. Whether spelled Gbm7 or F#m7, the sound and function are identical.
What songs use Minor 7th chords?
Minor 7th chords appear throughout Autumn Leaves, So What (Miles Davis), and Black Orpheus. F#m7/Gbm7 is common in pop and rock songs in the keys of A and E Major.
What is the ii–V–I progression?
The ii–V–I is the most important jazz progression: Gbm7 (ii) → Cb7 (V) → Fbmaj7 (I), or enharmonically F#m7 → B7 → Emaj7 in E Major.