A♭add♯11 7-string bass chord

How to play A♭add♯11 on 7-string bass

The most common way, the first shape above: lay your index finger flat across the two strings from the G to the C at the 8th fret, your little finger on the A string at the 11th fret, your ring finger on the D string at the 10th fret and your middle finger on the F string at the 9th fret. Don’t play the B and E strings.

From the B string x x 11 10 8 8 9 (x: not played, 0: open)

What notes are in A♭add♯11?

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