Cdim7 chord

Cdim7 chord for piano with keyboard diagram.
Explanation: The Cdim7 is a four-note chord. Cdim7 can also be written as C°7.
Theory: The Cdim7 is a diminished chord extended with a minor third.


Cdim7 chord diagram
Notes: C - Eb - Gb - A
Left hand: 5-3-2-1
Right hand: 1-2-3-5

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C chord categories

C Cm C7 Cm7 Cmaj7 C6 Cm6 C6/9 C5 C9 Cm9 Cmaj9 C11 C13 Cadd C7-5 C7+5 Csus Cdim Caug