G7♭9 8-string guitar chord

How to play G7♭9 on 8-string guitar

The most common way, the first shape above: your middle finger on the low E string at the 3rd fret, your index finger on the A string at the 2nd fret, your ring finger on the D string at the 3rd fret and your little finger on the high E string at the 4th fret. Let the G and high B strings ring open. Don’t play the F♯ and low B strings.

From the F♯ string x x 3 2 3 0 0 4 (x: not played, 0: open)

What notes are in G7♭9?

G7♭9, G dominant seventh flat nine, is G, B, D, F and A♭: the root (G), the major third (B), the perfect fifth (D), the minor seventh (F) and the flat ninth (A♭). Its formula is 1 3 5 ♭7 ♭9.