G♭maj13 7-string bass chord

How to play G♭maj13 on 7-string bass

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

From the B string x 2 1 1 1 1 0 (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.