Aaug guitar chord
How to play Aaug on guitar — the notes A, C♯, E♯, a shape you can tap to hear, the keys it lives in, and a progression to hear it in context. Free.
The shape
Tap the diagram to hear Aaug strummed. Aaug is an open chord — it uses open strings near the nut, so it rings full and is friendly for beginners.
The notes in Aaug
A augmented chord is spelled from its root up: A (R), C♯ (3), E♯ (♯5). Those are the only notes in Aaug — play them in any order, in any octave, and it's still Aaug.
What a augmented chord is
In plain terms, an augmented triad raises the fifth of a major chord (root, 3rd, ♯5) — like a diminished chord, it's symmetrical, splitting the octave into equal thirds.
How it's used: A restless connector: it most often works as a passing chord — classically I → I⁺ → vi, where the ♯5 climbs a half step to become the root of the next chord.
The sound: Dreamlike, unsettled, floating — neither major nor minor, hovering between. Where you'll hear it: The lift between chords in soul and jazz, spy-movie themes, '60s pop.
Other A chords
augmented chords on other roots
Chords and their spellings are shared facts of music theory. Every diagram and sound here is generated by ThunderFret's own engine — no tabs, lyrics or recordings are reproduced.
Open Aaug in the interactive tool to see every place it sits on the neck, hear it, and find the shape that fits your hand — free.
See Aaug on the fretboardFrequently asked
What notes are in Aaug?
Aaug is made of 3 notes: A (the R), C♯ (the 3), E♯ (the ♯5).
How do you play Aaug on guitar?
Aaug is an open chord — it uses open strings near the nut, so it rings full and is friendly for beginners.
When would I use Aaug?
The lift between chords in soul and jazz, spy-movie themes, '60s pop.