The C major sixth-ninth chord (C6/9) is a rich and versatile chord that adds depth and color to various musical genres. Comprising the notes C, E, G, A, and D, it is constructed by layering a major sixth and a major ninth onto the basic C major triad. This chord is often used in jazz, R&B, and neo-soul, providing a lush and sophisticated sound. Its open voicing and harmonious intervals make it a favorite among musicians seeking to add complexity and nuance to their compositions. The C major sixth-ninth chord is particularly effective in creating smooth transitions between chords and adding emotional depth to chord progressions.
Name: C major sixth-ninth chord
Notes: C, E, G, A, D
Intervals: 1, 3, 5, 6, 9
Chord symbol: C45906
Alternative symbols: C6add9, C6(add9)
Type: Pentad (five-note chord)
C major sixth-ninth chord on the Staff
C major sixth-ninth chord on Piano
C major sixth-ninth chord on Guitar
C major sixth-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.