Practice the C7#9 Chord on Guitar
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Ready to tackle the powerful C 7(#9) chord? Start by playing it on our interactive virtual fretboard, and immediately verify your accuracy with real-time mic feedback. This intriguing chord, a core member of the Dominant Chords family, is built from the notes C, E, G, Bb, and D#. Its unique sound comes from stacking these intervals: 1 (Root), 3 (Major Third), 5 (Perfect Fifth), b7 (Minor Seventh), and the distinctive #9 (Augmented Ninth). Our tool also provides chord and arpeggio playback, helping you to hear its characteristic voice.
As a dominant chord with an added sharp ninth, the C 7(#9) chord generates a rich, bluesy tension that often resolves effectively, making it a staple in jazz and blues progressions. Understanding how chords are built, including the role of each interval, is key to mastering such complex voicings. For a deeper dive into these powerful harmonies, explore the world of Dominant Chords and learn more about their unique sound and function. You can also further your knowledge on extended harmonies by visiting our guide to Ninth Chords. To truly grasp the theoretical foundations of guitar harmony, our resource on Chord Construction offers essential insights into how notes combine to form chords.
Before you scroll down to explore detailed chord diagrams, learn the underlying theory, or discover songs using this chord across various keys, we encourage you to spend some time with our interactive fretboard. Test your playing and improve your muscle memory instantly with real-time feedback, preparing you to confidently integrate the C 7(#9) into your musical vocabulary.
Notes of the C 7(#9) chord:
Chord Structure:
How To Play The C7(#9) chord on guitar
Position 1
Movable
Position 2
Barre
Movable
Position 3
Barre
Movable
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FAQ
What notes and intervals make up the C7#9 chord?
The C7#9 chord is composed of the notes C, E, G, Bb, and D#. These notes correspond to the following musical intervals relative to the root (C): 1 (Root), 3 (Major Third), 5 (Perfect Fifth), b7 (Minor Seventh), and #9 (Augmented Ninth).
What kind of chord family does the C7#9 belong to, and in what genres is it typically found?
The C7#9 chord is a member of the Dominant Chords family. Due to its unique and expressive sound, it is often featured in various musical genres, particularly jazz and blues.
What does the '#9' specifically add to the C7#9 chord's sound and structure?
The '#9' in C7#9 signifies an Augmented Ninth interval (D# in this case). This interval is stacked on top of the chord's root, major third, perfect fifth, and minor seventh, contributing significantly to its distinctive, complex, and often dissonant yet compelling sound.
Is the C7#9 chord suitable for beginner guitarists?
No, the C7#9 chord is not considered a beginner's chord. It includes extended intervals and requires familiarity with more advanced chord concepts and an understanding of the fretboard beyond basic or intermediate chords.