B7♭13 8-string bass chord

How to play B7♭13 on 8-string bass

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

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

What notes are in B7♭13?

B7♭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.