About the chord
A♭ minor 7th flat 9th / G♭ (3rd inversion)
A♭min7(♭9)/G♭ is the A♭ minor 7th flat 9th / G♭ (3rd inversion) guitar chord with G♭ in the bass. It uses the notes A♭, C♭, E♭, G♭, and B♭♭ and the interval formula 1-♭3-5-♭7-♭9.
The A♭ minor 7th flat 9th minor 7th flat 9th chord extends the minor 7th with a flat ninth B♭♭, creating a dark, eerie tension. The combination of the minor third C♭, minor seventh G♭, and flat ninth B♭♭ produces a dissonant, haunting sound perfect for jazz, film scoring, and dramatic resolutions. With G♭ in the bass, this voicing functions as the 3rd inversion of A♭ minor 7th flat 9th.
Also written as A♭min7(♭9), A♭m7♭9/G♭, and A♭m7(♭9)/G♭.
Root note: A♭
Bass note: G♭
Chord tones: 5
Playable shapes: 54