Root on E string
A7#9 chord tones around the E-string root.
Bass chord companion
A7#9 Chord
Learn the A7#9 chord on bass with chord tones, intervals, and interactive fretboard shapes.
1A3C#5Eb7G#9B#
Bass chord-tone boxes
Bass lines usually imply this chord with arpeggios and target tones. Start with root-on-E and root-on-A boxes.
Root on A string
A7#9 chord tones around the A-string root.
Full fretboard map
Every A7#9 Chord chord tone across the neck, with roots highlighted for quick orientation.
Common progressions using A7#9
Try these progressions to hear the chord in context instead of treating it as an isolated shape.
V to I resolution
Use the dominant sound to pull strongly into a stable major tonic.
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