V to I resolution
Use the dominant sound to pull strongly into a stable major tonic.
Guitar chord companion
A7#9 Chord
Learn the A7#9 chord on guitar with chord tones, intervals, and interactive fretboard shapes.
1A3C#5Eb7G#9B#
Playable A7#9 Chord voicings
Start with these chord-box shapes, then use the full fretboard below to see every chord tone.
A shape, fret 11
Low to high strings: x 12 11 x 13 15
G shape, fret 2
Low to high strings: 5 x 2 5 2 3
E shape, fret 5
Low to high strings: 5 7 5 6 5 8
D shape, fret 7
Low to high strings: 9 10 7 x x 8
C shape, fret 11
Low to high strings: x 12 11 12 13 x
Full fretboard map
Every A7#9 Chord chord tone across the neck, with roots highlighted for quick orientation.
CAGED
Common progressions using A7#9
Try these progressions to hear the chord in context instead of treating it as an isolated shape.
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 |
|---|---|---|
| 1 | R | A |
| 3 | 3 | C# |
| 5 | 5 | E |
| b7 | b7 | G |
| #9 | b3 | B# |
Compatible Scales
Formula
R – 3 – 5 – b7 – b3