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:
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
Barre
Movable
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FAQ
What notes make up the A7(b9) chord?
The A7(b9) chord is composed of five distinct notes: A, C#, E, G, and Bb. These notes create its unique and rich sound.
What do the numbers and symbols in A7(b9) refer to?
In A7(b9), 'A' is the root note. '7' indicates that it is a dominant seventh chord, meaning it includes the root, major third, perfect fifth, and minor seventh. The '(b9)' signifies the addition of a minor ninth interval to this dominant seventh structure.
What intervals are used to build the A7(b9) chord?
The A7(b9) chord is constructed using a specific set of intervals relative to the root note A: 1 (Root), 3 (Major Third), 5 (Perfect Fifth), b7 (Minor Seventh), and b9 (Minor Ninth).
Why is the A7(b9) chord considered a 'Dominant Chord'?
The A7(b9) is a member of the Dominant Chords family primarily because it includes a minor seventh (b7) interval. This interval creates a strong harmonic tension that naturally seeks to resolve to the tonic, giving it a dominant function.
When would a guitarist typically use an A7(b9) chord?
The A7(b9) is a complex and rich-sounding chord that adds depth and tension to music. It's a common and characteristic feature in jazz music, often used to create harmonic interest and prepare for resolutions.
Is the A7(b9) chord suitable for beginner guitarists?
No, the A7(b9) is considered a more advanced chord due to its extended intervals and complex voicing. Beginner guitarists are advised to first master fundamental chords and basic music theory before attempting chords like the A7(b9).