A7(b9) Guitar Chord Chart | A Dominant Seventh Flat Nine Added
Welcome to this tutorial on the A 7(b9) chord. This chord, a member of the Dominant Chords family, is a complex and rich sounding chord that can add depth and tension to your music. The A 7(b9) is composed of the notes A, C#, E, G, and Bb, and is built using the intervals 1 (Root), 3 (Major Third), 5 (Perfect Fifth), b7 (Minor Seventh), and b9 (Minor Ninth).
If you're new to the concept of intervals, you might want to check out our tutorial about fretboard intervals to get a better understanding of how chords are constructed. You can also learn more about how to build chords by stacking intervals in our guitar music theory tutorial.
The A 7(b9) chord is a more advanced chord, so if you're a beginner, you might want to start with our full tutorial about guitar chords of all types. Once you're comfortable with the basics, you can move on to our tutorial about more advanced chords.
As part of the Dominant Chords family, the A 7(b9) is a common feature in jazz music. If you're interested in learning more about how this chord can be used in context, our tutorial about jazz chord progressions is a great resource.
By the end of this tutorial, you'll have a solid understanding of the A 7(b9) chord, and you'll be able to play it using various chord diagrams and fretboard patterns. So, let's get started!
Notes of the A 7(b9) chord:
AC#EGBb
Chord Formula:
A Dominant Seventh Flat Nine Added Guitar Chord Fingers Positions
Chord boxes are sorted from the easiest to the hardest. Learn how to read chord diagrams.
If you have difficulties with bar chord shapes, check the Bar Chords Tips tutorial.
You can also use this accessible chords page with written diagrams instruction.
Position 1
Open
Position 2
Movable
Position 3
BarreMovable
You can find more shapes in our all guitar chords online library. If you prefer a printable pdf, download
the Free Guitar Chords Chart Pdf
Play This Chord With Other Roots
C 7(b9) | D 7(b9) | E 7(b9) | F 7(b9) | G 7(b9) | A 7(b9) | B 7(b9) | C#7(b9) | D#7(b9) | F#7(b9) | G#7(b9) | A#7(b9) | Ab7(b9) | Bb7(b9) | Db7(b9) | Eb7(b9) | Gb7(b9)
A 7(b9) guitar chord: fretboard map of the intervals
You can create any fingering you like on any part of the fretboard, just play some of the chord tones shown in the map below. Some shapes will sound good, some less, let your ears decide!