A7(add13) 8-string bass chord

How to play A7(add13) on 8-string bass

The most common way, the first shape above: your little finger on the F♯ string at the 3rd fret, your index finger on the B string at the 2nd fret, your middle finger on the E string at the 2nd fret and your ring finger on the D string at the 2nd fret. Let the A and G strings ring open. Don’t play the C and F strings.

From the F♯ string 3 2 2 0 2 0 x x (x: not played, 0: open)

What notes are in A7(add13)?

A7(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.