Co7 Guitar Chord — Chart and Tabs in Drop A 7 String Tuning

Short answer: Co7 is a C Diminished 7 chord with the notes C, E♭, G♭, B♭♭. In Drop A 7 String tuning, there are 42 voicings. See the fingering diagrams below.

Also known as: C°7, C dim7

Looking for Co7 (Standard Tuning)?

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How to Play Co7 on Guitar

Co7, C°7, Cdim7

Notes: C, E♭, G♭, B♭♭

x,8,9,10,8,10,8 (x123141)
x,x,9,10,8,10,8 (xx23141)
x,x,x,10,11,10,11 (xxx1213)
9,8,9,x,8,10,8 (213x141)
9,8,x,10,8,10,8 (21x3141)
x,8,9,10,8,10,x (x12314x)
x,8,9,x,8,10,8 (x12x131)
x,11,x,10,11,10,11 (x2x1314)
x,8,9,x,8,10,11 (x12x134)
x,11,9,x,8,10,8 (x42x131)
x,x,9,x,8,10,8 (xx2x131)
x,x,9,10,8,10,x (xx2314x)
x,x,9,10,x,10,11 (xx12x34)
9,8,9,x,8,10,x (213x14x)
9,8,x,10,8,10,x (21x314x)
9,8,x,x,8,10,8 (21xx131)
9,11,9,10,x,10,x (1412x3x)
9,x,9,x,8,10,8 (2x3x141)
9,x,x,10,8,10,8 (2xx3141)
x,8,9,x,8,10,x (x12x13x)
9,x,9,10,x,10,11 (1x12x34)
x,11,x,10,11,10,x (x2x131x)
9,8,x,x,8,10,11 (21xx134)
9,11,x,x,8,10,8 (24xx131)
x,11,9,10,x,10,x (x412x3x)
x,8,9,x,x,10,11 (x12xx34)
x,11,9,x,x,10,8 (x42xx31)
x,8,x,x,11,10,11 (x1xx324)
x,11,x,x,11,10,8 (x3xx421)
9,8,x,x,8,10,x (21xx13x)
9,x,x,x,8,10,8 (2xxx131)
9,x,x,10,8,10,x (2xx314x)
6,x,9,10,x,10,x (1x23x4x)
9,x,6,10,x,10,x (2x13x4x)
9,11,x,10,x,10,x (14x2x3x)
6,8,9,x,x,10,x (123xx4x)
9,8,6,x,x,10,x (321xx4x)
9,x,x,10,x,10,11 (1xx2x34)
9,x,6,x,x,10,8 (3x1xx42)
6,x,9,x,x,10,8 (1x3xx42)
9,8,x,x,x,10,11 (21xxx34)
9,11,x,x,x,10,8 (24xxx31)

Quick Summary

  • The Co7 chord contains the notes: C, E♭, G♭, B♭♭
  • In Drop A 7 String tuning, there are 42 voicings available
  • Also written as: C°7, C dim7
  • Each diagram shows finger positions on the Guitar fretboard

Frequently Asked Questions

What is the Co7 chord on Guitar?

Co7 is a C Diminished 7 chord. It contains the notes C, E♭, G♭, B♭♭. On Guitar in Drop A 7 String tuning, there are 42 ways to play this chord.

How do you play Co7 on Guitar?

To play Co7 on in Drop A 7 String tuning, use one of the 42 voicings shown above. Each diagram shows finger positions on the fretboard, with numbers indicating which fingers to use.

What notes are in the Co7 chord?

The Co7 chord contains the notes: C, E♭, G♭, B♭♭.

How many ways can you play Co7 on Guitar?

In Drop A 7 String tuning, there are 42 voicings for the Co7 chord. Each voicing uses a different position on the fretboard while playing the same notes: C, E♭, G♭, B♭♭.

What are other names for Co7?

Co7 is also known as C°7, C dim7. These are different notations for the same chord with the same notes: C, E♭, G♭, B♭♭.

All C chords

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