G♯dim7 8-string guitar chord

How to play G♯dim7 on 8-string guitar

The most common way, the first shape above: your ring finger on the F♯ string at the 2nd fret, your index finger on the low E string at the 1st fret, your little finger on the A string at the 2nd fret and your middle finger on the G string at the 1st fret. Let the D and high B strings ring open. Don’t play the low B and high E strings.

From the F♯ string 2 x 1 2 0 1 0 x (x: not played, 0: open)

What notes are in G♯dim7?

G♯dim7, G♯ diminished seventh, is G♯, B, D and F: the root (G♯), the minor third (B), the diminished fifth (D) and the diminished seventh (F). Its formula is 1 ♭3 ♭5 ♭♭7.

Why do four diminished seventh chords have the same notes?

A diminished seventh is minor thirds stacked all the way round, G♯, B, D and F, so G♯dim7 has the same notes as the diminished sevenths on B, D and F. Any of its notes can be the root.