B♭add♯11 7-string bass chord

How to play B♭add♯11 on 7-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 D string at the 2nd fret, your little finger on the G string at the 3rd fret and your ring finger on the C string at the 2nd fret. Let the F string ring open. Don’t play the B and E strings.

From the B string x x 1 2 3 2 0 (x: not played, 0: open)

What notes are in B♭add♯11?

B♭add♯11, B♭ major added sharp eleven, is B♭, D, F and E: the root (B♭), the major third (D), the perfect fifth (F) and the sharp eleventh (E). Its formula is 1 3 5 ♯11.