B♭7♭13 8-string guitar chord

How to play B♭7♭13 on 8-string guitar

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

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

What notes are in B♭7♭13?

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