I-IV-V foundation
This is the core major-key movement behind blues, rock, country, and pop progressions.
Guitar chord companion
A Major 13 Chord
Learn the A Major 13 chord on guitar with chord tones, intervals, and interactive fretboard shapes.
1A3C#7G#9B13F#
Playable A Major 13 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 4 4 2 4
G shape, fret 4
Low to high strings: 5 4 4 4 x 4
E shape, fret 5
Low to high strings: 5 x 6 6 7 x
D shape, fret 7
Low to high strings: x x 7 11 9 9
C shape, fret 9
Low to high strings: x 12 9 11 9 9
Full fretboard map
Every A Major 13 Chord chord tone across the neck, with roots highlighted for quick orientation.
CAGED
Common progressions using A Major 13
Try these progressions to hear the chord in context instead of treating it as an isolated shape.
I-vi-IV-V loop
A familiar pop progression that balances a stable tonic with relative minor color.
Chord Tones
| Degree | Interval | Note |
|---|---|---|
| 1 | R | A |
| 3 | 3 | C# |
| 7 | 7 | G# |
| 9 | 2 | B |
| 13 | 6 | F# |
Formula
R – 3 – 7 – 2 – 6