Adim7 Guitar Chord
Adim7 (A diminished seventh) is a four-note chord made from A, C, Eb and Gb. A diminished seventh is minor thirds stacked all the way up, so it is symmetrical: the same shape moved up three frets plays the same notes. It makes a tense passing chord that leads up a half step.
Adim7 A diminished seventh
Open position1 / 5
Notes
- A1
- Cb3
- Ebb5
- Gbbb7
Built from the root A, the minor third C, the flat fifth Eb and the diminished seventh Gb.
How to play Adim7
Frets from low E to high E; x means don't play that string.
Easiest shape to start with: Open position (x01212). It has 1 open string, nothing above fret 2 and 1 muted string.
Keys with Adim7
Every note of Adim7 is in these keys. The numeral is its place in the key.
Minor keys
- vii°7 in Bb harmonic minor