Cdim7 chord on guitar
C Diminished Seventh. Notes: C, Eb, Gb and A.
How to play Cdim7
- Put your index finger on the 4th (D) string at fret 1 (Eb).
- Put your middle finger on the 2nd (B) string at fret 1 (C).
- Put your ring finger on the 3rd (G) string at fret 2 (A).
- Put your pinky finger on the 1st (high E) string at fret 2 (Gb).
- Don't play the low E and A strings: skip them or mute them with a fretting finger.
- Strum from the D string down.
All 4 ways to play Cdim7
Easiest first. Tap play to hear each one.Fret 1 position
EasyBarre at fret 2
MediumBarre at fret 7
HardBarre at fret 10
HardNotes and theory
The diminished seventh is built entirely from minor thirds, so it repeats every three frets. It is a dramatic passing chord. The formula is 1 b3 b5 bb7, and you will also see it written as C°7 and Co7. Strictly by music theory the notes are spelled C, Eb, Gb and Bbb; Bbb is the same key as A.
More C chords
All C guitar chordsdiminished seventh chords in every key
Questions
What notes are in the Cdim7 chord?
Cdim7 (C diminished seventh) is made of four notes: C (root), Eb (minor third), Gb (diminished fifth) and A (diminished seventh).
How do you play Cdim7 on guitar?
The easiest Cdim7 is the "fret 1 position" shape. Put your index finger on the 4th (D) string at fret 1 (Eb). Put your middle finger on the 2nd (B) string at fret 1 (C). Put your ring finger on the 3rd (G) string at fret 2 (A).
Is Cdim7 hard to play on guitar?
No. The easiest version is rated easy and uses 4 fretted notes.
What does a diminished seventh chord sound like?
The diminished seventh is built entirely from minor thirds, so it repeats every three frets. It is a dramatic passing chord.