Cdim7 Guitar Chord
Cdim7 (C diminished seventh) is a four-note chord made from C, Eb, Gb and Bbb. A diminished seventh is minor thirds stacked all the way up, so it is symmetrical: the same shape moved up three frets plays the same notes. It makes a tense passing chord that leads up a half step.
Cdim7 C diminished seventh
10th fret1 / 5
Notes
- C1
- Ebb3
- Gbb5
- Bbbbb7
Built from the root C, the minor third Eb, the flat fifth Gb and the diminished seventh Bbb.
How to play Cdim7
Frets from low E to high E; x means don't play that string.
Easiest shape to start with: 2nd fret (x3424x). It has nothing above fret 4 and 2 muted strings.
Keys with Cdim7
Every note of Cdim7 is in these keys. The numeral is its place in the key.
Minor keys
- vii°7 in C# harmonic minor