Raised fifth into IV
Add augmented color to the tonic; its raised fifth can move up a semitone to the third of IV.
Guitar chord companion
A Augmented Chord
Learn the A Augmented chord on guitar with chord tones, intervals, and interactive fretboard shapes.
1A3C##5E#
Playable A Augmented Chord voicings
Start with these chord-box shapes, then use the full fretboard below to see every chord tone.
A shape, open position
Low to high strings: x 0 3 2 2 1
G shape, fret 2
Low to high strings: 5 4 3 2 2 x
E shape, fret 5
Low to high strings: 5 8 7 6 x x
D shape, fret 7
Low to high strings: x x 7 10 10 9
C shape, fret 10
Low to high strings: x 12 11 10 10 x
Full fretboard map
Every A Augmented Chord chord tone across the neck, with roots highlighted for quick orientation.
Frets 0–24. Select a position or tap a note to hear it.
CAGED
Progression examples using A Augmented
Try these progressions to hear the harmony in context. On bass, outline each chord with individual target tones.
Return the fifth to its natural form
Resolve the raised fifth down a semitone while keeping the root. This is a chromatic color change on the tonic.
Chord Tones
| Degree | Interval | Note |
|---|---|---|
| 1 | Root | A |
| 3 | M3 | C# |
| #5 | A5 | E# |
Scales Containing the Complete Formula
Complete Formula
1 – 3 – #5
Compound degrees retain their names: 9, 11, and 13 are extensions. A voicing may place their pitches in a closer register.