A♭7(add13) 6-string bass chord

How to play A♭7(add13) on 6-string bass

The most common way, the first shape above: your middle finger on the E string at the 4th fret, your index finger on the A string at the 3rd fret, your ring finger on the D string at the 4th fret, your little finger on the G string at the 5th fret and your little finger on the C string at the 5th fret. Don’t play the B string.

From the B string x 4 3 4 5 5 (x: not played, 0: open)

What notes are in A♭7(add13)?

A♭7(add13), A♭ dominant seventh added thirteenth, is A♭, C, E♭, G♭ and F: the root (A♭), the major third (C), the perfect fifth (E♭), the minor seventh (G♭) and the thirteenth (F). Its formula is 1 3 5 ♭7 13.