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Chord chart for C minor 7th flat 9th / B♭ (3rd inversion) Guitar Chord: Notes, Shapes & Bass Note | Guitar Wiz

Cmin7(♭9)/B♭ guitar shapes

Popular fretboard positions with fingering suggestions

Showing 8 of 12 playable shapes

C minor 7th flat 9th / B♭ (3rd inversion) guitar chord diagram showing fretboard positions
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About the chord

C minor 7th flat 9th / B♭ (3rd inversion)

Cmin7(♭9)/B♭ is the C minor 7th flat 9th / B♭ (3rd inversion) guitar chord with B♭ in the bass. It uses the notes C, E♭, G, B♭, and D♭ and the interval formula 1-♭3-5-♭7-♭9.

The C minor 7th flat 9th minor 7th flat 9th chord extends the minor 7th with a flat ninth D♭, creating a dark, eerie tension. The combination of the minor third E♭, minor seventh B♭, and flat ninth D♭ produces a dissonant, haunting sound perfect for jazz, film scoring, and dramatic resolutions. With B♭ in the bass, this voicing functions as the 3rd inversion of C minor 7th flat 9th.

Also written as Cmin7(♭9), Cm7♭9/B♭, and Cm7(♭9)/B♭.

Root note: C
Bass note: B♭
Chord tones: 5
Playable shapes: 12

Chord tones

CE♭GB♭D♭

Common guitar voicings

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

Shape 1

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  1. 1 Place the 1st finger on the 4th fret of the 2nd string and 5th string in barre position.
  2. 2 Place the 2nd finger on the 5th fret of the 3rd string and 4th string in barre position.
  3. 3 Place the 3rd finger on the 6th fret of the 6th string.
  4. 4 Place the 4th finger on the 6th fret of the 1st string.
  5. 5 Strum from the 6th string down.

Shape 2

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  1. 1 Place the 1st finger on the 6th fret of the 3rd string, 5th string, and 6th string in barre position.
  2. 2 Place the 3rd finger on the 8th fret of the 4th string.
  3. 3 Place the 4th finger on the 8th fret of the 1st string and 2nd string in barre position.
  4. 4 Strum from the 6th 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.

C Unison (Root) 1

The root anchors the chord and defines its tonal center.

E♭ Minor Third ♭3

This note supplies the minor color and gives the chord its darker emotional pull.

G Perfect Fifth 5

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

B♭ Minor Seventh ♭7

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

D♭ Minor Ninth ♭9

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

Quick answers

What notes are in Cmin7(♭9)/B♭?

Cmin7(♭9)/B♭ uses the notes C, E♭, G, B♭, and D♭. Its interval formula is 1-♭3-5-♭7-♭9.

What is another name for Cmin7(♭9)/B♭?

Cmin7(♭9)/B♭ is also written as Cmin7(♭9), Cm7♭9/B♭, and Cm7(♭9)/B♭.

How do you play Cmin7(♭9)/B♭ on guitar?

Place the 1st finger on the 4th fret of the 2nd string and 5th string in barre position. Place the 2nd finger on the 5th fret of the 3rd string and 4th string in barre position. Place the 3rd finger on the 6th fret of the 6th string. Place the 4th finger on the 6th fret of the 1st string. Strum from the 6th string down.

Related Articles

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