The C dominant ninth chord (C9) is a vibrant and expressive chord that enhances harmonic progressions with its rich, jazzy flavor. Comprising the notes C, E, G, B♭, and D, it is constructed by adding a major ninth (D) to the standard C dominant seventh chord (C, E, G, B♭). This addition introduces a layer of complexity and color, making the C dominant ninth chord a staple in genres such as jazz, blues, and R&B. Its distinctive sound is often utilized to create tension that resolves to the tonic, providing a sense of movement and emotional depth in musical compositions. The C dominant ninth chord is frequently used in turnarounds and progressions, contributing to its dynamic and compelling character. Its versatility and expressive quality make it an essential chord for musicians seeking to add sophistication and nuance to their playing.
Name: C dominant ninth chord
Notes: C, E, G, B♭, D
Intervals: 1, 3, 5, ♭7, 9
Chord symbol: C9
Type: Pentad (five-note chord)
C dominant ninth chord on the Staff
C dominant ninth chord on Piano
C dominant ninth chord on Guitar
C dominant 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.