B7♭9♯9 8-string bass chord

How to play B7♭9♯9 on 8-string bass

The most common way, the first shape above: lay your index finger flat across the four strings from the B to the D at the 4th fret, your middle finger on the F♯ string at the 5th fret, your ring finger on the E string at the 5th fret, your ring finger on the A string at the 5th fret and your little finger on the G string at the 5th fret. Don’t play the C and F strings.

From the F♯ string 5 4 5 5 4 5 x x (x: not played, 0: open)

What notes are in B7♭9♯9?

B7♭9♯9, B dominant seventh flat nine sharp nine, is B, D♯, F♯, A, C and C♯♯: the root (B), the major third (D♯), the perfect fifth (F♯), the minor seventh (A), the flat ninth (C) and the sharp ninth (C♯♯). Its formula is 1 3 5 ♭7 ♭9 ♯9.