Guitar chord B7(b9) - diagrams and theory
Today, we are going to dive into the world of Dominant Chords and specifically, the B 7(b9) chord. This chord is constructed by the notes B, D#, F#, A, and C, creating a unique and rich sound.
The B 7(b9) chord is built with the intervals 1, 3, 5, b7, and b9. If you're not familiar with these intervals, they correspond to the Root, Major Third, Perfect Fifth, Minor Seventh, and Minor Ninth. For a comprehensive understanding of these intervals, you can check out our tutorial about fretboard intervals.
Understanding how to build chords by stacking intervals is a crucial part of mastering the guitar. To learn more about this process, our tutorial that teaches how to build chords by stacking intervals is a great place to start.
As a chord from the Dominant family, the B 7(b9) is often used in jazz chord progressions, among other genres. To see this chord in action, you may want to explore our tutorial about jazz chord progressions.
Our lesson today will guide you on how to play the B 7(b9) chord, providing chord diagrams and fretboard patterns that highlight the tones composing the chord. If you're interested in learning more about chord notation based on the intervals that compose it, our tutorial on how to denote chords will be a valuable resource.
So, let's get started on mastering the B 7(b9) chord, a true gem in the world of dominant (7) guitar chords.
Notes that compose the B 7(b9) chord:
Tones in the Dominant Seventh Flat Nine Added chord:
B7(b9) Guitar Chord Voicings
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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
Movable
Position 2
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Position 3
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Position 4
Barre
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Position 5
Barre
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Position 6
Barre
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FAQ
What notes are included in the B7(b9) chord?
The B7(b9) chord is made up of five specific notes: B, D#, F#, A, and C. These notes give the chord its distinct harmonic character and sound.
What intervals form the B7(b9) chord?
The B7(b9) chord is constructed using the intervals 1 (Root), 3 (Major Third), 5 (Perfect Fifth), b7 (Minor Seventh), and b9 (Minor Ninth). These intervals are stacked from the root note B.
Why is the B7(b9) chord considered a Dominant chord?
The B7(b9) is a Dominant chord because it contains a major third and a minor seventh interval (B-D#-F#-A). The added minor ninth (C) is an extension that enhances its dominant quality, creating tension that typically resolves to a tonic chord.
How is the B7(b9) chord built using intervals?
To build the B7(b9) chord, you start with the root note B. Then, you add a major third (D#), followed by a perfect fifth (F#), a minor seventh (A), and finally a minor ninth (C). Each interval contributes to the chord's full sound.
When should I use the B7(b9) chord in my playing?
The B7(b9) chord is commonly used in music to create harmonic tension and a strong sense of resolution. It is particularly popular in jazz chord progressions, where its complex and rich sound adds color and movement, often leading to a stable tonic chord.
What gives the B7(b9) chord its unique and rich sound?
The B7(b9) chord's unique and rich sound comes from the interplay of its constituent intervals, especially the major third (D#) and the minor seventh (A) which define its dominant quality, combined with the dissonant yet compelling minor ninth (C) interval. This combination creates a distinctive color and tension.