B♭maj9♯5 8-string bass chord

How to play B♭maj9♯5 on 8-string bass

The most common way, the first shape above: lay your index finger flat across the five strings from the F♯ to the D at the 4th fret, your middle 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 B, C and F strings.

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

What notes are in B♭maj9♯5?

B♭maj9♯5, B♭ major ninth sharp five, is B♭, D, F♯, A and C: the root (B♭), the major third (D), the augmented fifth (F♯), the major seventh (A) and the ninth (C). Its formula is 1 3 ♯5 7 9.