D♭ Suspended 4th 7th
D♭7sus4
Notes
D♭ · G♭ · A♭ · C♭
Intervals
- RootD♭ (1P)
- Perfect 4thG♭ (4P)
- Perfect 5thA♭ (5P)
- Minor 7thC♭ (7m)
Fretboard
On the fretboard, B represents C♭.
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About
The D♭7sus4 (D♭–G♭–A♭–C♭) combines dominant function with suspended ambiguity. The G♭ replaces the third, delaying the chord’s major/minor identity, while the C♭ signals dominant territory. Resolution typically happens in one of two ways: the 4th resolves down to the 3rd, producing a standard D♭7; or the chord resolves directly to the tonic (G♭), skipping the third entirely. The 4th and ♭7 are both essential — the 4th is the suspension, the ♭7 the dominant weight. The 5th can be omitted. Compared to plain D♭sus4, 7sus4 has clear harmonic direction; compared to D♭7, it is less declarative.
Similar chords
Chords sharing two or more notes with this one, ranked by overlap.
Scales containing this chord
- D♭ Blues (deg 1)
- D♭ Dorian (I)
- D♭ Minor Pentatonic (deg 1)
- D♭ Mixolydian (I)
- D♭ Natural Minor (I)
- D♭ Phrygian (I)
- A Lydian (III)
- A Major (III)
- A♭ Blues (deg 3)
- A♭ Dorian (IV)
- A♭ Locrian (IV)
- A♭ Minor Pentatonic (deg 3)
- A♭ Natural Minor (IV)
- A♭ Phrygian (IV)
- B Dorian (II)
- B Lydian (II)
- B Major (II)
- B Major Pentatonic (deg 2)
- B Melodic Minor (II)
- B Mixolydian (II)
- B♭ Locrian (III)
- B♭ Phrygian (III)
- D Lydian (VII)
- E Lydian (VI)
- E Major (VI)
- E Major Pentatonic (deg 5)
- E Mixolydian (VI)
- E♭ Locrian (VII)
- E♭ Natural Minor (VII)
- E♭ Phrygian (VII)
- F Locrian (VI)
- F♯ Dorian (V)
- F♯ Harmonic Minor (V)
- F♯ Major (V)
- F♯ Melodic Minor (V)
- F♯ Mixolydian (V)
- F♯ Natural Minor (V)
Scales whose notes include every chord tone. The Roman numeral (or scale degree) marks the chord root’s position in the scale.