Guitar · augmented
Caug Chord on Guitar
C Augmented is C, E, G# — the 1-3-#5 pattern of a augmented chord. There are 4 ways to play it on guitar, ranked below from easiest to hardest.
Good news: Caug has an open shape on guitar, so you can play it without barring anything. Start there and work up the neck later.
Start here — Standard Shape
Open shape — open strings ring right through it and there is nothing to barre. If you only learn one, learn this one.
Easier ways to play it — 4 shapes, easiest first
Same chord in all of them. What changes is how much your hand has to do and where on the neck it sits.
Standard Shape Way 1 of 4
Standard Shape
Easiest here· intermediate· the standard shape
Open shape — open strings ring right through it and there is nothing to barre. If you only learn one, learn this one.
5th Position Way 2 of 4
5th Position
advanced
Fingered low on the neck with no barre — a useful middle step between the open shape and the movable ones.
Movable Root-5 Shape (3rd fret) Way 3 of 4
Movable Root-5 Shape (3rd fret)
advanced
Fingered low on the neck with no barre — a useful middle step between the open shape and the movable ones.
E Shape Barre (8th fret) Way 4 of 4
E Shape Barre (8th fret)
advanced
Barre at fret 8 — the same movable idea, further up the neck: brighter, more compact, and easier to reach if you are already playing up there.
What beginners get wrong
Moving in and out of it
The shape above: Standard Shape — open position, so several strings ring unfretted.
Listening: each shape above has its own play button, and each one plays the notes that shape actually produces — not a generic triad.
Caug on other instruments
Same notes, different hands. Every link below is a real page with diagrams and audio.
Chords next door
Same root, different colour — and all of them playable on guitar.
Caug on Guitar — questions people ask
What is the easiest way to play Caug on guitar?
“Standard Shape” — which we rate intermediate — is the easiest Caug shape on guitar. Open shape — open strings ring right through it and there is nothing to barre. If you only learn one, learn this one.
What notes are in the C Augmented chord?
C Augmented is C, E, G# — the 1-3-#5 interval pattern of a augmented chord. Every voicing on this page uses those notes and nothing else; they just appear in a different order and octave.
How many ways can you play Caug on guitar?
This page has 4 Caug voicings for guitar, ranked from easiest to hardest: Standard Shape, 5th Position, Movable Root-5 Shape (3rd fret), E Shape Barre (8th fret). They all sound like Caug; the differences are how hard they are to hold and how high they sit.
What can I play instead of Caug?
The nearest stand-ins on guitar that keep the same root are C5, Csus4, Csus2. They keep the root and the fifth and only change what sits in the middle, so most songs still work — but check the swap against the melody, because the note you removed may be the one the tune is singing.
Can I play Caug on other instruments?
Yes. Caug is the same set of notes everywhere; only the fingering changes. This site has diagrams and audio for it on piano, ukulele, bass, mandolin, banjo.
Learn the theory behind Caug
The shape gets your fingers there. These explain why it sounds the way it does.
Borrowed Chords and Modal Mixture — Stealing from Parallel Keys
The raised fifth comes from outside the key. This is where chords like it are borrowed from.
7 min read
Functional Harmony: Three Roles, One Engine
That sharpened fifth is a pull toward the next chord — here is the mechanism.
6 min read
Intervals — The Only Music Theory You Actually Need
Two stacked major thirds, and the symmetry that makes it feel homeless.
5 min read