How to play Fdim: a diminished built on F, 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 1 open string, 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 3 1 0 x (x = not played).
| Note | F | Ab | Cb |
|---|---|---|---|
| Interval | R | b3 | b5 |
Fdim is a diminished with F as its root. The full theoretical spelling is F, Ab, Cb. This voicing sounds every chord tone.
Fdim 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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Fdim is spelled F, Ab, Cb: 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 x 3 1 0 x (x means the string is not played). Fret the G string at the 1st fret. Add the D string at the 3rd fret. The B string rings open. Strum from the D string down, skipping the high E string; the low E and A strings stay silent.
Fdim belongs to 5 keys: F# major (the vii° chord), D# minor (the ii°), C minor (the iv°, from the harmonic minor), A minor (the vi°, from the harmonic minor) and F# minor (the vii°, from the harmonic minor).
