About the chord
D♭ minor 7th flat 9th / C♭ (3rd inversion)
D♭min7(♭9)/C♭ is the D♭ minor 7th flat 9th / C♭ (3rd inversion) guitar chord with C♭ 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 C♭ in the bass, this voicing functions as the 3rd inversion of D♭ minor 7th flat 9th.
Also written as D♭min7(♭9), D♭m7♭9/C♭, and D♭m7(♭9)/C♭.
Root note: D♭
Bass note: C♭
Chord tones: 5
Playable shapes: 68