Guitar Chord Dictionary: C# Dominant Thirteen Flat Nine Chords

C# 13(b9) guitar chord shapes

Welcome to our tutorial on the C# 13(b9) chord, a fascinating member of the Dominant Chords family. This chord is constructed with the notes C#, E#, G#, B, D, F#, and A#, following the intervals 1, 3, 5, b7, b9, 11, and 13.

The C# 13(b9) chord is a complex and rich chord, often used in jazz and progressive music genres for its distinctive tonal qualities. If you're familiar with dominant (7) guitar chords, you'll find some similarities here, but the addition of the b9 and 13 intervals give this chord its unique sound.

Understanding the theory behind this chord is essential for mastering its application. The C# 13(b9) is built by stacking intervals, a concept you can learn more about in our guitar music theory tutorial. The intervals in this chord include the root, major third, perfect fifth, minor seventh, minor ninth, perfect eleventh, and major thirteenth.

Learning to play the C# 13(b9) chord can be a challenge due to its complex structure, but we have created clear chord diagrams and fretboard patterns to guide you. These visuals will help you understand the tones that compose the chord and how they are positioned on the fretboard.

As you progress with this tutorial, you may find our tutorial on chord notation helpful for understanding how chords are denoted based on the intervals that compose them. Additionally, our interactive tool for analyzing chord shapes can be a valuable resource if you're trying to identify a chord shape you're unfamiliar with.

Ready to dive into the world of the C# 13(b9) chord? Let's get started!

Notes of the C# 13(b9) chord:

C# E# G# B D F# A#

Chord Structure:

1
b2
2
b3
3
4
b5
5
#5
6
b7
7
8
b9
9
#9
11
#11
13

Guitar Patterns for the C#13(b9) chord

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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)

FAQ

What notes are included in the C# 13(b9) chord?

The C# 13(b9) chord is constructed with the notes C#, E#, G#, B, D, F#, and A#. These notes correspond to its specific interval structure.

What are the specific intervals that define the C# 13(b9) chord?

The intervals that define the C# 13(b9) chord are the 1 (root), 3 (major third), 5 (perfect fifth), b7 (minor seventh), b9 (minor ninth), 11 (perfect eleventh), and 13 (major thirteenth).

How does the C# 13(b9) chord differ from a standard dominant 7 chord?

While similar to dominant (7) chords, the C# 13(b9) chord includes the additional minor ninth (b9) and major thirteenth (13) intervals. These specific extensions give it its unique and distinctive tonal qualities.

Why is the C# 13(b9) chord considered complex?

The C# 13(b9) is considered complex due to its extended structure, which incorporates many intervals (root, major third, perfect fifth, minor seventh, minor ninth, perfect eleventh, and major thirteenth). This dense construction creates its rich and distinctive sound.

In what musical genres is the C# 13(b9) chord typically used?

The C# 13(b9) chord is often used in jazz and progressive music genres. Its complex and rich tonal qualities make it suitable for these styles, where sophisticated harmony is frequently employed.

What does it mean that the C# 13(b9) chord is built by 'stacking intervals'?

Building the C# 13(b9) chord by 'stacking intervals' means its notes are determined by progressively adding specific intervals on top of the root note. This sequential addition of the 3rd, 5th, b7th, b9th, 11th, and 13th intervals forms the complete chord structure.

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