The C dominant minor ninth chord (C7♭9) is a strikingly dissonant and emotionally charged chord, often employed in jazz and classical music to evoke tension and drama. Comprising the notes C, E, G, B♭, and D♭, it is constructed by adding a minor ninth (D♭) to the standard C dominant seventh chord (C, E, G, B♭). This addition introduces a tritone interval between E and B♭, enhancing the chord’s dissonant quality. The C dominant minor ninth chord is frequently used in compositions to heighten emotional intensity, serving as a powerful tool for composers and performers seeking to convey a sense of unease or anticipation. Its unique structure and sound make it a distinctive choice in various musical contexts.
Name: C dominant minor ninth chord
Notes: C, E, G, B♭, D♭
Intervals: 1, 3, 5, ♭7, ♭9
Chord symbol: C7(♭9)
Alternative symbols: C7♭9
Type: Pentad (five-note chord)
C dominant minor ninth chord on the Staff
C dominant minor ninth chord on Piano
C dominant minor ninth chord on Guitar
C dominant minor 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.