G♭maj13 8-string guitar chord

How to play G♭maj13 on 8-string guitar

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

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

What notes are in G♭maj13?

G♭maj13, G♭ major thirteenth, is G♭, B♭, D♭, F, A♭ and E♭: the root (G♭), the major third (B♭), the perfect fifth (D♭), the major seventh (F), the ninth (A♭) and the thirteenth (E♭). Its formula is 1 3 5 7 9 13.