F#dim7 (Gbdim7) Guitar Chord
F#dim7 (F# diminished seventh) is a four-note chord made from F#, A, C and Eb. 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.
F#dim7 F# diminished seventh
Open position1 / 4
Notes
- F#1
- Ab3
- Cb5
- Ebbb7
Built from the root F#, the minor third A, the flat fifth C and the diminished seventh Eb.
Also written Gbdim7: Gb Bbb Dbb Fbb
How to play F#dim7
Frets from low E to high E; x means don't play that string.
Easiest shape to start with: Open position (20121x). It has 1 open string, nothing above fret 2 and 1 muted string.
Keys with F#dim7
Every note of F#dim7 is in these keys. The numeral is its place in the key.
Minor keys
- vii°7 in G harmonic minor