B♭13 8-string guitar chord

How to play B♭13 on 8-string guitar

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

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

What notes are in B♭13?

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