The D-flat major ninth chord is a five-note chord consisting of D♭, F, A♭, C, and E♭. It is formed by adding a major ninth (E♭) to the D-flat major seventh chord (D♭–F–A♭–C), creating a lush, expansive, and harmonically rich sound. This chord is commonly used in jazz, pop, and contemporary music to add sophistication, color, and depth to chord progressions while maintaining a consonant and uplifting quality. The D-flat major ninth chord is a pentad, meaning it contains five notes, and its combination of major triad, major seventh, and ninth intervals produces a smooth, elegant, and resonant harmonic texture. On piano or guitar, it can be voiced to emphasize both the major seventh and the added ninth, resulting in a vibrant and expressive sound. Its harmonic richness and versatility make the D-flat major ninth chord an essential tool for creating sophisticated and emotionally engaging music.
Name: D-flat major ninth chord
Notes: D♭, F, A♭, C, E♭
Intervals: 1, 3, 5, 7, 9
Chord symbol: D♭maj9
Alternative symbols: D♭Δ9, D♭ma9, D♭MA9, D♭M9
Type: Pentad (five-note chord)
D-flat major ninth chord on the Staff
D-flat major ninth chord on Piano
D-flat major ninth chord on Guitar
D-flat major ninth chord on Ukulele
Rowan Ellis is a musician and educator with a passion for exploring the language of harmony and melody. With years of experience across classical, jazz, and contemporary styles, Rowan breaks down music theory into clear, practical insights. His goal is to make chords and scales less intimidating and more inspiring for every musician.