G#dim7 (Abdim7) Guitar Chord
G#dim7 (G# diminished seventh) is a four-note chord made from G#, B, D and F. 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.
G#dim7 G# diminished seventh
Open position1 / 4
Notes
- G#1
- Bb3
- Db5
- Fbb7
Built from the root G#, the minor third B, the flat fifth D and the diminished seventh F.
Also written Abdim7: Ab Cb Ebb Gbb
How to play G#dim7
Frets from low E to high E; x means don't play that string.
Easiest shape to start with: Open position (420101). It has 2 open strings and nothing above fret 4.
Keys with G#dim7
Every note of G#dim7 is in these keys. The numeral is its place in the key.
Minor keys
- vii°7 in A harmonic minor