C°9 Guitar Chord — Chart and Tabs in Drop B (7-String) Tuning

Short answer: C°9 is a C Diminished 9 chord with the notes C, E♭, G♭, B♭♭, D. In Drop B (7-String) tuning, there are 12 voicings. See the fingering diagrams below.

Also known as: C dim9

Looking for C°9 (Standard Tuning)?

How to Play C°9 on Guitar

C°9, Cdim9

Notes: C, E♭, G♭, B♭♭, D

x,8,10,8,11,x,9 (x1314x2)
x,9,10,8,11,x,8 (x2314x1)
10,9,7,8,7,x,x (43121xx)
7,9,10,8,7,x,x (13421xx)
10,x,7,8,7,x,9 (4x121x3)
10,9,7,x,7,11,x (321x14x)
7,9,10,x,7,11,x (123x14x)
7,x,10,8,7,x,9 (1x421x3)
10,8,x,8,11,x,9 (31x14x2)
10,9,x,8,11,x,8 (32x14x1)
10,x,7,x,7,11,9 (3x1x142)
7,x,10,x,7,11,9 (1x3x142)

Quick Summary

  • The C°9 chord contains the notes: C, E♭, G♭, B♭♭, D
  • In Drop B (7-String) tuning, there are 12 voicings available
  • Also written as: C dim9
  • Each diagram shows finger positions on the Guitar fretboard

Frequently Asked Questions

What is the C°9 chord on Guitar?

C°9 is a C Diminished 9 chord. It contains the notes C, E♭, G♭, B♭♭, D. On Guitar in Drop B (7-String) tuning, there are 12 ways to play this chord.

How do you play C°9 on Guitar?

To play C°9 on in Drop B (7-String) tuning, use one of the 12 voicings shown above. Each diagram shows finger positions on the fretboard, with numbers indicating which fingers to use.

What notes are in the C°9 chord?

The C°9 chord contains the notes: C, E♭, G♭, B♭♭, D.

How many ways can you play C°9 on Guitar?

In Drop B (7-String) tuning, there are 12 voicings for the C°9 chord. Each voicing uses a different position on the fretboard while playing the same notes: C, E♭, G♭, B♭♭, D.

What are other names for C°9?

C°9 is also known as C dim9. These are different notations for the same chord with the same notes: C, E♭, G♭, B♭♭, D.