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New Released in April 2026

A Augmented Chord on Guitar (Aaug)

To play Aaug on guitar, press the strings shown below; some strings ring open. Then strum all six strings: the notes A, C#, E# ring together. Here is the shape, finger by finger, plus the chords you will play next to it.

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  • MIDI keyboard
  • Digital or acoustic piano
  • Guitar
  • Computer, phone or tablet
5fr××
Aaug A C# E#

Aaug chord diagram

5fr××
Aaug A C# E#

Finger by finger

  • Index: 6th string (low E), fret 5
  • Little: 4th string (D), fret 7
  • Middle: 3rd string (G), fret 6
  • Ring: 2nd string (B), fret 6

Strings to play

5x766x: × = do not play, 0 = open string.

Which note each string plays

6th string (low E)fret 5: A
4th string (D)fret 7: A
3rd string (G)fret 6: C#
2nd string (B)fret 6: E#

Slide this shape along the neck: fret 3 = Gaug, fret 4 = Abaug, fret 6 = Bbaug, fret 7 = Baug.

A short Aaug routine

  1. Place the fingers one at a time, then strum and listen to each string.
  2. Take the hand off and put the whole shape back at once, ten times in a row.
  3. Change from Aaug to A and back for a minute; then add D.

Chords that go with Aaug

Start with A: it is the change you will meet most often after Aaug.

A · D · E

Where Aaug is used

A common move is A → Aaug → D: the raised note in Aaug pushes up into D.

ChordRunner on a phone next to an acoustic guitar, with a chord block on screen

Practise Aaug with the microphone

Practise Aaug in ChordRunner: when its symbol appears, play A, C#, E# and the microphone or MIDI keyboard confirms it. MIDI keyboard or microphone, both work.

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Aaug on piano · Easy guitar chords · Guitar chord game

Common questions

Is Aaug easy on guitar?

Yes, it is one of the open chords beginners learn first. Start slowly, check that every string rings, then practise switching to A.

Which fingers do I use for Aaug?

Index finger: 6th string (low E), fret 5, little finger: 4th string (D), fret 7, middle finger: 3rd string (G), fret 6, ring finger: 2nd string (B), fret 6.

Will the game recognise my Aaug?

If A, C#, E# ring together, yes: ChordRunner listens through the microphone and also accepts a USB MIDI keyboard.

Your instrument is the controller.

ChordRunner is a browser game that teaches piano and guitar chords: a chord appears on screen, you play it on a real instrument, and your runner jumps. MIDI keyboard or microphone, both work.

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