B9♯5 7-string bass chord

How to play B9♯5 on 7-string bass

The most common way, the first shape above: lay your index finger flat across the three strings from the D to the C at the 1st fret, your middle finger on the A string at the 2nd fret, your ring finger on the G string at the 2nd fret and your little finger on the F string at the 2nd fret. Don’t play the B and E strings.

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

What notes are in B9♯5?

B9♯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.