A♭add11 8-string bass chord

How to play A♭add11 on 8-string bass

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

From the F♯ string x x x 11 10 8 8 8 (x: not played, 0: open)

What notes are in A♭add11?

A♭add11, A♭ major added eleventh, is A♭, C, E♭ and D♭: the root (A♭), the major third (C), the perfect fifth (E♭) and the eleventh (D♭). Its formula is 1 3 5 11.