About the chord
D♭ minor 7th flat 9th / A♭ (2nd inversion)
D♭min7(♭9)/A♭ is the D♭ minor 7th flat 9th / A♭ (2nd inversion) guitar chord with A♭ in the bass. It uses the notes D♭, F♭, A♭, C♭, and E♭♭ and the interval formula 1-♭3-5-♭7-♭9.
The D♭ minor 7th flat 9th minor 7th flat 9th chord extends the minor 7th with a flat ninth E♭♭, creating a dark, eerie tension. The combination of the minor third F♭, minor seventh C♭, and flat ninth E♭♭ produces a dissonant, haunting sound perfect for jazz, film scoring, and dramatic resolutions. With A♭ in the bass, this voicing functions as the 2nd inversion of D♭ minor 7th flat 9th.
Also written as D♭min7(♭9), D♭m7♭9/A♭, and D♭m7(♭9)/A♭.
Root note: D♭
Bass note: A♭
Chord tones: 5
Playable shapes: 38