1,008 guitar chords with several shapes each, finger numbers, difficulty and real sound, in any tuning.
Fdim is a diminished chord made of 3 notes: F, A♭, C♭. It sounds tense and unstable, and you hear it in passing chords between two others, and the vii chord of a major key. It is the vii° chord of F♯ major and turns up in 1 other key.
The library above opens on Fdim with 14 shapes up and down the neck. Tap a shape to hear it, or play it one string at a time.
| Note | Degree | Interval from F | Semitones |
|---|---|---|---|
| F | 1 | root | 0 |
| A♭ | ♭3 | minor third | 3 |
| C♭ | ♭5 | diminished fifth | 6 |
Formula: 1 – ♭3 – ♭5.
xx3101xx340412310xx89(10)9x1x3404(13)(14)(15)(13)xxThe open position shape is the one to learn first. Once it is easy, try the shape at the 8th fret (x89(10)9x): the same chord, higher and brighter, handy when the chords before and after it sit up the neck.
Fdim belongs to 2 keys: vii° in F♯ major, ii° in E♭ minor. In F♯ major, try I–V–vi–IV: F♯ – C♯ – D♯m – B.
F, A♭, C♭: the root, minor third, flat fifth.
Open position: xx3101 (low string first), rated Beginner.
Fdim has the same notes where Fdim7 has E𝄫. Fdim sounds tense and unstable; Fdim7 sounds spooky and suspenseful.
No. The easiest shape is rated Beginner and needs 3 fingers.