A7(add13) 6-string bass chord

How to play A7(add13) on 6-string bass

The most common way, the first shape above: your index finger on the D string at the 5th fret, your ring finger on the G string at the 6th fret and your little finger on the C string at the 6th fret. Let the A string ring open. Don’t play the B and E strings.

From the B string x x 0 5 6 6 (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.