G♭aug 8-string guitar chord

How to play G♭aug on 8-string guitar

The most common way, the first shape above: your ring finger on the low B string at the 3rd fret, your middle finger on the low E string at the 2nd fret, your index finger on the A string at the 1st fret and your little finger on the G string at the 3rd fret. Let the F♯ and D strings ring open. Don’t play the high B and high E strings.

From the F♯ string 0 3 2 1 0 3 x x (x: not played, 0: open)

What notes are in G♭aug?

G♭aug, G♭ augmented, is G♭, B♭ and D: the root (G♭), the major third (B♭) and the augmented fifth (D). Its formula is 1 3 ♯5.

Why do G♭aug and two other augmented chords have the same notes?

An augmented chord is two major thirds stacked, G♭, B♭ and D, and a third more brings you back to G♭. So G♭aug has the same notes as the augmented chords on B♭ and D.