B♭9♯5 8-string bass chord

How to play B♭9♯5 on 8-string bass

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

From the F♯ string x x x 1 0 1 0 1 (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.