B♭9♯5 5-string bass chord

How to play B♭9♯5 on 5-string bass

The most common way, the first shape above: lay your index finger flat across the three strings from the E to the D at the 10th fret, your middle finger on the B string at the 11th fret, your ring finger on the A string at the 11th fret and your little finger on the G string at the 11th fret.

From the B string 11 10 11 10 11 (x: not played, 0: open)

What notes are in B♭9♯5?

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