A7(add13) 7-string guitar chord

How to play A7(add13) on 7-string guitar

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

From the low B string x x 0 2 0 2 2 (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.