V to I resolution
Use the dominant sound to pull strongly into a stable major tonic.
Guitar chord companion
A13 Chord
Learn the A13 chord on guitar with chord tones, intervals, and interactive fretboard shapes.
1A3C#b7G9B13F#
Playable A13 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 2 0 2 2
G shape, fret 2
Low to high strings: 5 4 5 2 2 2
E shape, fret 5
Low to high strings: 5 7 5 6 7 5
D shape, fret 7
Low to high strings: x x 7 11 8 9
C shape, fret 11
Low to high strings: x 12 11 12 x 14
Full fretboard map
Every A13 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 A13
Try these progressions to hear the harmony in context. On bass, outline each chord with individual target tones.
Minor-key dominant pull
The same dominant root can resolve into a minor tonic for a darker cadence.
Turnaround color
Place the dominant at the end of a turnaround so the next phrase has forward motion.
Chord Tones
| Degree | Interval | Note | Default guitar voicing |
|---|---|---|---|
| 1 | Root | A | Included |
| 3 | M3 | C# | Included |
| 5 | P5 | E | Usually omitted |
| b7 | m7 | G | Included |
| 9 | M9 | B | Included |
| 11 | P11 | D | Usually omitted |
| 13 | M13 | F# | Included |
The table shows the complete theoretical chord. The default guitar voicing uses A, C#, G, B, F#; degrees 5, 11 are usually omitted. Chord-tone maps include every formula tone.
Scales Containing the Complete Formula
Complete Formula
1 – 3 – 5 – b7 – 9 – 11 – 13
Compound degrees retain their names: 9, 11, and 13 are extensions. A voicing may place their pitches in a closer register.