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C♯ Augmented Chord (C♯aug)

Notes: C♯, E♯, G𝄪. Tap any diagram to hear it.

C♯aug
Notes
C♯E♯G𝄪
Formula
1 – 3 – ♯5

C♯aug on guitar

Fret 2 · most common
x-4-3-2-2-5
Fret 9
x-x-11-10-10-9

Strings from low (left) to high (right). Numbers are fingers: 1 index, 2 middle, 3 ring, 4 pinky. × = don’t play, ○ = open string.

C♯aug on ukulele

Open position · most common
2-1-1-0
Fret 4
6-5-5-4
Fret 8
10-9-9-8

C♯aug on piano

Other C♯ chords

C♯C♯mC♯7C♯maj7C♯m7C♯sus2C♯sus4C♯dimC♯6C♯m6C♯9C♯add9C♯7sus4C♯m7♭5C♯dim7

Augmented chords in other keys

CaugDaugE♭augEaugFaugF♯augGaugA♭augAaugB♭augBaug

About the C♯ Augmented chord

Augmented chords raise the fifth, giving a mysterious, unresolved sound that leads into the next chord. C♯aug is built from the root (C♯), major third (E♯), augmented fifth (G𝄪).

Frequently asked questions

What notes are in the C♯ Augmented chord?

The C♯aug chord is made of C♯, E♯, G𝄪: the root, major third, augmented fifth.

How do you play C♯aug on guitar?

The most common fingering is x-4-3-2-2-5, from the low E string to the high E string (x = don’t play that string, 0 = open string). It uses a barre at fret 2.

How do you play C♯aug on piano?

Press C♯, E♯, G𝄪 together. In root position the lowest note is C♯.