About the chord
F minor 7th flat 9th / G♭ (4th inversion)
Fmin7(♭9)/G♭ is the F minor 7th flat 9th / G♭ (4th inversion) guitar chord with G♭ in the bass. It uses the notes F, A♭, C, E♭, and G♭ and the interval formula 1-♭3-5-♭7-♭9.
The F minor 7th flat 9th minor 7th flat 9th chord extends the minor 7th with a flat ninth G♭, creating a dark, eerie tension. The combination of the minor third A♭, minor seventh E♭, and flat ninth G♭ produces a dissonant, haunting sound perfect for jazz, film scoring, and dramatic resolutions. With G♭ in the bass, this voicing functions as the 4th inversion of F minor 7th flat 9th.
Also written as Fmin7(♭9), Fm7♭9/G♭, and Fm7(♭9)/G♭.
Root note: F
Bass note: G♭
Chord tones: 5
Playable shapes: 23