A major 7 (Amaj7)

A major chord with an added major seventh. A soft, mellow sound, widely used in jazz, bossa nova and pop.

It’s played in open position, near the nut, and as a barre chord higher up the neck. It’s the home chord of the key of A major; you’ll also find it in E major and D major.

Notes:: A, C♯, E, G♯.
Formula:: 1, 3, 5, 7.
Difficulty:: Beginner.
Strings played:: 5 (from the A string).

Chord diagram

e|--0--|
B|--2--|
G|--1--|
D|--2--|
A|--0--|
E|--x--|

Other positions

e|--x--|
B|--5--|
G|--6--|
D|--6--|
A|--x--|
E|--5--|

Often played with

The chords in its key, the ones you hear most often around A major 7.

e|--2--|
B|--2--|
G|--2--|
D|--0--|
A|--x--|
E|--x--|

D major 7IV

e|--0--|
B|--0--|
G|--1--|
D|--0--|
A|--2--|
E|--0--|

E7V

e|--2--|
B|--2--|
G|--2--|
D|--2--|
A|--4--|
E|--2--|

F♯ minor 7vi