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Caug9 Guitar Chord

A rich chord extending aug7 with a ninth. Found in jazz and funk. On guitar, the perfect fifth is commonly omitted as it is replaced by the augmented fifth.

Guitar

Strings X–3–2–3–3–4

How to play the Caug9 chord on guitar

Read the string pattern X–3–2–3–3–4 from the low E string to the high E string. Numbers in the pattern are frets; numbers in the colored dots are left-hand fingers. X means a muted string and 0 means an open string.

6th string (low E) Do not play
5th string (A) Fret 3 · middle finger
4th string (D) Fret 2 · index finger
3rd string (G) Fret 3 · ring finger
2nd string (B) Fret 3 · ring finger
1st string (high E) Fret 4 · little finger

Notation for Caug9 chord

Other names: C augmented 9th, C+9, C aug9

Music theory name: augmented ninth chord

Common name: C augmented ninth chord

Intervals and tones in Caug9 chord

Note Interval
C Root
E Major 3rd
Ab Augmented 5th
B Minor 7th
D Major 9th

All Variations

Open
X–3–2–3–3–4
Fret 3
X–3–0–3–5–4
Fret 5
6–5–6–5–5–6
Fret 7
8–7–8–7–9–X

More chords with C as the root

The same chord type in other keys