How to play Cdim7
C diminished seventh — Four notes stacked in minor thirds. Fully symmetrical, so one shape covers four chords and slides anywhere.
Notes in Cdim7
- Croot
- D#minor 3rd
- F#diminished 5th
- Amajor 6th
Cdim7 on guitar
Cdim7 on ukulele
Cdim7 on piano
Tune up before you play it
A diminished seventh chord is unforgiving of a flat third. Check the guitar with the browser tuner, then practise the change with the metronome.