C 6th Added 9th
C6add9
Notes
C · E · G · A · D
Intervals
- RootC (1P)
- Major 3rdE (3M)
- Perfect 5thG (5P)
- Major 6thA (6M)
- Major 9thD (9M)
Fretboard
Adjust labels, frets, and palette in the interactive view.
Voicings & shapes
6/9 voicings (2)
About
The C6/9 (C–E–G–A–D) combines the warmth of the 6th with the openness of the 9th, deliberately omitting the 7th. This keeps the chord stable and resolved — unlike extensions that include a 7th, it does not imply harmonic motion. It is a rich tonic color used in jazz, R&B, and gospel as a final or resting chord. Both the A and D are essential to the sound; the 5th can be omitted in compact voicings. On guitar, spread voicings that separate the 6 and 9 allow both extensions to speak clearly without muddiness. Compared to CMaj9, the 6/9 is warmer and more grounded; compared to Cadd9, fuller.
Chord diagrams
C 6th Added 9th voicing charts — tap a sheet to open it full size to save or print.
Similar chords
Chords sharing two or more notes with this one, ranked by overlap.
Scales containing this chord
- C Lydian (I)
- C Major (I)
- C Major Pentatonic (deg 1)
- C Mixolydian (I)
- A Blues (deg 2)
- A Dorian (III)
- A Minor Pentatonic (deg 2)
- A Natural Minor (III)
- A Phrygian (III)
- B Locrian (II)
- B Phrygian (II)
- B♭ Lydian (II)
- D Dorian (VII)
- D Mixolydian (VII)
- D Natural Minor (VII)
- E Locrian (VI)
- E Natural Minor (VI)
- E Phrygian (VI)
- F Lydian (V)
- F Major (V)
- F♯ Locrian (V)
- G Dorian (IV)
- G Major (IV)
- G Melodic Minor (IV)
- G Mixolydian (IV)
Scales whose notes include every chord tone. The Roman numeral (or scale degree) marks the chord root’s position in the scale.