How to play Ddim7: a diminished 7th built on D, with 1 voicing, the notes, the keys it belongs to, and songs that use it.
The first diagram is a common voicing: an open-position shape using 2 open strings, played near the nut. 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 x 0 1 0 1 (x = not played).
| Note | D | F | Ab | Cb |
|---|---|---|---|---|
| Interval | R | b3 | b5 | bb7 |
Ddim7 is a diminished 7th with D as its root. The full theoretical spelling is D, F, Ab, Cb. This voicing sounds every chord tone.
Ddim7 is a diatonic chord (built from the key's own notes) in 0 major keys 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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Ddim7 is spelled D, F, Ab, Cb: the root, minor 3rd, flat 5th, double-flat 7th. The common guitar voicing sounds every one of them.
Frets from the low E string to the high E string: x x 0 1 0 1 (x means the string is not played). Fret the G and high E strings at the 1st fret. The D and B strings ring open. Strum from the D string down; the low E and A strings stay silent.
Ddim7 belongs to 4 keys: A minor (the iv°, from the harmonic minor), C minor (the ii°, from the harmonic minor), F# minor (the vi°, from the harmonic minor) and D# minor (the vii°, from the harmonic minor).
