A♭add♭13 7-string bass chord

How to play A♭add♭13 on 7-string bass

The most common way, the first shape above: lay your index finger flat across the five strings from the E to the C at the 4th fret, your ring finger on the A string at the 6th fret, your little finger on the D string at the 6th fret and your middle finger on the G string at the 5th fret. Don’t play the B and F strings.

From the B string x 4 6 6 5 4 x (x: not played, 0: open)

What notes are in A♭add♭13?

A♭add♭13, A♭ major added flat thirteen, is A♭, C, E♭ and F♭: the root (A♭), the major third (C), the perfect fifth (E♭) and the flat thirteenth (F♭). Its formula is 1 3 5 ♭13.