Free Tools Chords C Add9

C Add9 Chord on Guitar

The C Add9 chord contains C, D, E and G — 4 notes. Every position is marked across the whole fretboard below, labelled with note names and with interval numbers, and the tuning of each string can be changed.

  • Root
  • Major 2nd
  • Major 3rd
  • Perfect 5th
C Add9 — 4 notes
Degree 1 2 3 5
Note C D E G
Interval Root Major 2nd Major 3rd Perfect 5th

Note names

C Add9 chord fretboard diagram: every position of C, D, E and G across the guitar neck

Interval numbers

C Add9 chord fretboard diagram labelled with interval numbers

Scales containing C Add9

Major (Ionian) C F G
Natural Minor (Aeolian) D E A
Dorian D G A
Phrygian E A B
Lydian C F B♭
Mixolydian C D G
Locrian E F# B
Harmonic Lydian (Lydian ♭6) C A♭
Melodic Minor F G
Melodic Minor ♯4 F
Major Pentatonic C
Minor Pentatonic A
Dominant Pentatonic (Mixolydian Pentatonic) C
Minor Sixth Pentatonic G
Blues A
Tcherepnin (M3) D F# B♭

Circle of fifths

Circle of fifths — C Add9 fretonomy.com C G D A E B F# D♭ A♭ E♭ B♭ F

Chords inside C Add9

Major C
Sus2 C
Sus4 G
Power (5) C G

Frequently asked questions

What notes are in the C Add9 chord?

C, D, E and G. That is 4 notes.

How is the C Add9 chord built?

From a root of C: D is the major 2nd, E is the major 3rd and G is the perfect 5th.

Which scales contain the C Add9 chord?

C Major (Ionian), D Natural Minor (Aeolian), D Dorian and E Phrygian, among others. Every note of the C Add9 chord is in those, so they can be played over it.

Which smaller chords are inside the C Add9 chord?

C Major, C Sus2, G Sus4 and C Power (5). Each uses only notes the C Add9 chord already contains.

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