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Chord chart for A♯ dominant 7th flat 9th / C𝄪 (1st inversion) Guitar Chord: Notes, Shapes & Bass Note | Guitar Wiz

A♯7♭9/C𝄪 guitar shapes

Popular fretboard positions with fingering suggestions

Showing 8 of 21 playable shapes

A♯ dominant 7th flat 9th / C𝄪 (1st inversion) guitar chord diagram showing fretboard positions
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About the chord

A♯ dominant 7th flat 9th / C𝄪 (1st inversion)

A♯7♭9/C𝄪 is the A♯ dominant 7th flat 9th / C𝄪 (1st inversion) guitar chord with C𝄪 in the bass. It uses the notes A♯, C𝄪, E♯, G♯, and B and the interval formula 1-3-5-♭7-♭9.

The A♯ dominant 7th flat 9th dominant 7th flat 9th chord adds a flat ninth B to the dominant 7th, enhancing its dissonance and harmonic tension. This exotic, unresolved color is popular in jazz and classical cadences for creating dramatic resolutions. With C𝄪 in the bass, this voicing functions as the 1st inversion of A♯ dominant 7th flat 9th.

Also written as A♯7♭9, A♯dom7♭9/C𝄪, and A♯7(♭9)/C𝄪.

Root note: A♯
Bass note: C𝄪
Chord tones: 5
Playable shapes: 21

Chord tones

A♯C𝄪E♯G♯B

Common guitar voicings

These are quick-start shapes for players who want the answer first and the deeper theory second.

Shape 1

xx0304

View shape
  1. 1 Place the 1st finger on the 3rd fret of the 3rd string.
  2. 2 Place the 2nd finger on the 4th fret of the 1st string.
  3. 3 Strum from the 4th string down.

Shape 2

x53304

View shape
  1. 1 Place the 1st finger on the 3rd fret of the 4th string.
  2. 2 Place the 2nd finger on the 3rd fret of the 3rd string.
  3. 3 Place the 3rd finger on the 4th fret of the 1st string.
  4. 4 Place the 4th finger on the 5th fret of the 5th string.
  5. 5 Strum from the 5th string down.

Notes & Intervals

Each note below shows how the chord is built from its root. This is the theory layer underneath the fretboard shapes.

A♯ Unison (Root) 1

The root anchors the chord and defines its tonal center.

C𝄪 Major Third 3

This note defines the chord's major quality and brings brightness to the sound.

E♯ Perfect Fifth 5

The fifth reinforces stability and gives the chord its strong harmonic frame.

G♯ Minor Seventh ♭7

The minor seventh adds bluesy or jazzy tension that wants to move onward.

B Minor Ninth ♭9

The flat ninth adds sharper tension and a more dramatic clash.

Quick answers

What notes are in A♯7♭9/C𝄪?

A♯7♭9/C𝄪 uses the notes A♯, C𝄪, E♯, G♯, and B. Its interval formula is 1-3-5-♭7-♭9.

What is another name for A♯7♭9/C𝄪?

A♯7♭9/C𝄪 is also written as A♯7♭9, A♯dom7♭9/C𝄪, and A♯7(♭9)/C𝄪.

How do you play A♯7♭9/C𝄪 on guitar?

Place the 1st finger on the 3rd fret of the 3rd string. Place the 2nd finger on the 4th fret of the 1st string. Strum from the 4th string down.

Related Articles

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