About the chord
D♭ minor 7th flat 9th / F♭ (1st inversion)
D♭min7(♭9)/F♭ is the D♭ minor 7th flat 9th / F♭ (1st inversion) guitar chord with F♭ 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 F♭ in the bass, this voicing functions as the 1st inversion of D♭ minor 7th flat 9th.
Also written as D♭min7(♭9), D♭m7♭9/F♭, and D♭m7(♭9)/F♭.
Root note: D♭
Bass note: F♭
Chord tones: 5
Playable shapes: 141