Caug Guitar Chord (C Augmented)

The Caug guitar chord (C augmented) has 3 notes: C, E and G♯. Below you'll find 5 shapes with diagrams, how to play it step by step, the keys it belongs to and common progressions that use it.

Caug guitar chord: x3211x321EADGBE
x3211x · at the 1st fret
Notes
C – E – G♯
Formula
1 – 3 – ♯5
Type
augmented
Difficulty
medium

Transpose a song

All 5 ways to play Caug on guitar

  • Caug guitar chord: x3211x321
    x3211x at the 1st fret
  • Caug guitar chord: x32110321
    x32110 open position
  • Caug guitar chord: x3655x3fr1423
    x3655x at the 3rd fret
  • Caug guitar chord: 87655x5fr4321
    87655x at the 5th fret
  • Caug guitar chord: x-x-10-9-9-88fr4231
    x-x-10-9-9-8 at the 8th fret

Diagrams: strings run from the lowest on the left; X = don't play, O = open string, numbers = fingers (1 index, 2 middle, 3 ring, 4 little finger).

How to play Caug on guitar

Main shape: x3211x (at the 1st fret).

  1. Lay your index finger (1) flat across the strings from the G (3rd) to the B (2nd) string at the 1st fret (a barre).
  2. Put your ring finger (3) on the 3rd fret of the A (5th) string.
  3. Put your middle finger (2) on the 2nd fret of the D (4th) string.
  4. Don't play the low E (6th) or high E (1st) strings (marked X).
  5. Strum from the A (5th) string down (4 strings).

Caug notes and intervals

NoteFormulaInterval from the root
C 1 root
E 3 major 3rd
G♯ ♯5 augmented 5th

Inversions: the same notes with another one in the bass, written as slash chords: Caug/E (1st inversion) and Caug/G♯ (2nd inversion).

Caug on piano and ukulele

  • Caug piano chord: C E G♯CEG♯
    Caug on piano C – E – G♯
  • Caug ukulele chord: 100314
    Caug on ukulele 1003

Which keys use Caug?

An augmented chord is not one of the seven basic chords of any major or natural minor key, so Caug doesn't belong to a single key. Its notes are C, E and G♯.

Transpose Caug

Move the chord up or down by semitones to see its name and notes in another key.

Caug C E G♯ original

Augmented chords on every root: Gaug A♭aug Aaug B♭augBaugCaugC♯aug Daug E♭aug Eaug FaugF♯aug

Frequently asked questions

What notes are in the Caug chord?

Caug has 3 notes: C, E and G♯. Its formula is 1 – 3 – ♯5: C is the root, E a major 3rd and G♯ a augmented 5th above it.

How do you play Caug on guitar?

The shape in the main diagram is x3211x (at the 1st fret).

  1. Lay your index finger (1) flat across the strings from the G (3rd) to the B (2nd) string at the 1st fret (a barre).
  2. Put your ring finger (3) on the 3rd fret of the A (5th) string.
  3. Put your middle finger (2) on the 2nd fret of the D (4th) string.
  4. Don't play the low E (6th) or high E (1st) strings (marked X).
  5. Strum from the A (5th) string down (4 strings).
What is a augmented chord?

An augmented chord has a root, a major 3rd and an augmented 5th (1–3–♯5). It is written aug or +. It does not occur among the basic chords of any major or natural minor key.

What key is Caug in?

An augmented chord is not one of the seven basic chords of any major or natural minor key, so Caug does not belong to one key.

What is Caug/E chord?

Caug/E means Caug with E as the lowest note. E is the 3rd of the chord, so Caug/E is the 1st inversion of Caug: the same notes, C, E and G♯, with E at the bottom.

Is Caug hard to play on guitar?

It is a medium chord: the easiest shape (x3211x) needs a barre across 2 strings. (Difficulty here is a rough guide based on barres, stretches and the number of fingers.)

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