1,008 guitar chords with several shapes each, finger numbers, difficulty and real sound, in any tuning.
Adim is a diminished chord made of 3 notes: A, C, E♭. 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 B♭ major and turns up in 1 other key.
The library above opens on Adim 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 A | Semitones |
|---|---|---|---|
| A | 1 | root | 0 |
| C | ♭3 | minor third | 3 |
| E♭ | ♭5 | diminished fifth | 6 |
Formula: 1 – ♭3 – ♭5.
x0121x5675xxx(12)(13)(14)(13)xxx754xxx78x8x0(10)8(10)xThe open position shape is the one to learn first. Once it is easy, try the shape at the 5th fret (5675xx): the same chord, higher and brighter, handy when the chords before and after it sit up the neck.
Adim belongs to 2 keys: vii° in B♭ major, ii° in G minor. In B♭ major, try I–V–vi–IV: B♭ – F – Gm – E♭.
A, C, E♭: the root, minor third, flat fifth.
Open position: x0121x (low string first), rated Beginner.
Adim has the same notes where Adim7 has G♭. Adim sounds tense and unstable; Adim7 sounds spooky and suspenseful.
No. The easiest shape is rated Beginner and needs 3 fingers.