A♭aug(add9) 6-string bass chord

How to play A♭aug(add9) on 6-string bass

The most common way, the first shape above: your little finger on the B string at the 9th fret, your middle finger on the E string at the 8th fret, your index finger on the A string at the 7th fret and your ring finger on the D string at the 8th fret. Don’t play the G and C strings.

From the B string 9 8 7 8 x x (x: not played, 0: open)

What notes are in A♭aug(add9)?

A♭aug(add9), A♭ augmented added ninth, is A♭, C, E and B♭: the root (A♭), the major third (C), the augmented fifth (E) and the ninth (B♭). Its formula is 1 3 ♯5 9.