How to play Cdim: a diminished built on C, with 1 voicing, the notes, the keys it belongs to, and songs that use it.
The first diagram is a common voicing: played at the first few frets. An X above a string means don't play it; an O means play it open.
Frets from the low E string to the high E string: x 3 4 5 4 x (x = not played).
| Note | C | Eb | Gb |
|---|---|---|---|
| Interval | R | b3 | b5 |
Cdim is a diminished with C as its root. The full theoretical spelling is C, Eb, Gb. This voicing sounds every chord tone.
Cdim is a diatonic chord (built from the key's own notes) in 1 major key and 4 minor keys. The roman numeral is the chord's place in that key; tap a key for all of its chords.
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Cdim is spelled C, Eb, Gb: the root, minor 3rd, flat 5th. The common guitar voicing sounds every one of them.
Frets from the low E string to the high E string: x 3 4 5 4 x (x means the string is not played). Fret the A string at the 3rd fret. Add the D and B strings at the 4th fret. Add the G string at the 5th fret. Strum from the A string down, skipping the high E string; the low E string stays silent.
Cdim belongs to 5 keys: Db major (the vii° chord), Bb minor (the ii°), G minor (the iv°, from the harmonic minor), E minor (the vi°, from the harmonic minor) and C# minor (the vii°, from the harmonic minor).
