A7♯5 7-string guitar chord

How to play A7♯5 on 7-string guitar

The most common way, the first shape above: your middle finger on the D string at the 3rd fret, your index finger on the high B string at the 2nd fret and your ring finger on the high E string at the 3rd 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 3 0 2 3 (x: not played, 0: open)

What notes are in A7♯5?

A7♯5, A augmented seventh, is A, C♯, E♯ and G: the root (A), the major third (C♯), the augmented fifth (E♯) and the minor seventh (G). Its formula is 1 3 ♯5 ♭7.