A13(b9) Guitar Chord | Play, Hear and Practice Interactively

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A 13(b9) position 5 guitar chord diagram

The A13(b9) chord, a complex and captivating member of the Dominant Chords family, is built from the notes A, C#, E, G, Bb, D, and F#. These correspond to the intervals Root (1), Major Third (3), Perfect Fifth (5), Minor Seventh (b7), Minor Ninth (b9), Perfect Eleventh (11), and Major Thirteenth (13). Use the interactive fretboard tool at the top of this page to visualize fingerings, hear the chord played as a strum or arpeggio, and get instant feedback on your accuracy with the real-time microphone feature.

The inclusion of the b9 (Minor Ninth) interval gives the A13(b9) its distinctive, slightly dissonant character, perfect for adding tension in jazz or blues. To master these complex voicings, explore our guide to Dominant Guitar Chords and delve deeper into Ninth Chords. Understanding Chord Construction will clarify how these intricate structures are built, and practicing with our tips to Improve Chords Change will help you integrate them smoothly into your playing.

Below, you'll discover chord diagrams ranging from beginner-friendly positions to more advanced voicings, comprehensive music theory, popular songs featuring the A13(b9), and the keys where it shines. Before you dive into the diagrams, spend some time with the interactive tool above. Set a comfortable tempo, listen to the chord, and use the microphone feedback to ensure your fingers are perfectly placed. This hands-on approach will fast-track your journey to confidently playing this unique chord.

Notes in the A 13(b9) chord:

A C# E G Bb D F#

How the Dominant Thirteen Flat Nine chord is built:

#11

Fingerings for the A Dominant Thirteen Flat Nine guitar chord

Position 1
Movable

Find more shapes in our all guitar chords online library. If you prefer a printable pdf, download the Free Guitar Chords Chart Pdf

You can also use this accessible A13(b9) chord page, with written diagram instructions and screen-reader support for blind users.

Play This Chord With Other Roots

C 13(b9) | D 13(b9) | E 13(b9) | F 13(b9) | G 13(b9) | A 13(b9) | B 13(b9) | C#13(b9) | D#13(b9) | F#13(b9) | G#13(b9) | A#13(b9) | Ab13(b9) | Bb13(b9) | Db13(b9) | Eb13(b9) | Gb13(b9)

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FAQ

What notes and intervals make up the A13(b9) chord?

The A13(b9) chord is composed of seven distinct notes: A, C#, E, G, Bb, D, and F#. These notes correspond to the following intervals relative to the root (A): Root (1), Major Third (3), Perfect Fifth (5), Minor Seventh (b7), Minor Ninth (b9), Perfect Eleventh (11), and Major Thirteenth (13).

Why is the A13(b9) categorized as a dominant chord?

The A13(b9) is considered a dominant chord because its foundational structure includes the defining intervals of a dominant seventh chord: a root, major third, and minor seventh (A, C#, G). It belongs to the dominant chord family, building upon this core with additional extensions.

What gives the A13(b9) chord its unique sound?

The distinctive, slightly dissonant sound of the A13(b9) chord primarily stems from the inclusion of the Minor Ninth (b9) interval. This specific interval adds a characteristic tension and color that enhances its overall harmonic quality.

In what musical genres is the A13(b9) chord commonly used?

The A13(b9) chord is frequently utilized in various musical styles, notably in blues and jazz. Its rich and complex harmonic character makes it a valuable addition to compositions within these genres, adding depth and interest.

Is the A13(b9) a challenging chord for guitarists to learn?

Yes, the A13(b9) is considered a complex and advanced chord. Due to its extensive number of notes and stacked intervals, mastering its various fretboard patterns and understanding its structure requires dedicated practice and patience from guitarists.