A7b9 guitar chord
The A7b9 chord (A 7th flat 9) is built from the notes A, C#, E, G and Bb, formula 1–3–5–b7–b9.
- Notes
- A C# E G Bb
- Type
- 7th flat 9
- Level
- Barre chord
OpenShape 1 of 4
x02323How to play A7b9
The easiest A7b9 shape is x02323, starting around fret 2. Mute any strings marked x so only chord tones sound.
Dark and tense, pulling strongly toward a minor chord.
Other ways to play it
Questions
What notes are in the A7b9 chord?
A7b9 contains A, C#, E, G and Bb. Its formula is 1–3–5–b7–b9.
Is A7b9 hard to play on guitar?
It is harder than a basic open chord. The most common shape is x02323.
What can I play instead of A7b9?
A7 is the closest simpler chord. It keeps the same root and basic character, so it works when A7b9 is too hard or too busy.