The A7 chord (A7) is made of the notes A, C#, E and G. It is built from the root A with a major third, a perfect fifth and a minor seventh.
The dominant seventh chord creates a tension that wants to resolve to the chord a fourth higher; it is everywhere in blues, jazz and rock.
A7
Notes: A – C# – E – G
Guitar — positions on the neck
Piano — root position and inversions
Fingerings and positions
On guitar, this chord can be played in 5 ways along the neck. The lowest shape is an open chord (no barre), easier for beginners. Example fingering (from the low E string to the high E string, x = muted string): x02020. On piano, the right hand plays 4 notes, in root position or in an inversion.
Notes and intervals
Note
Interval
A
root
C#
major third
E
perfect fifth
G
minor seventh
In which keys? The A7 chord is the V7 of D major and the VII7 of B minor.
The notes of the A7 chord (A7) are A, C#, E and G.
How do you play the A7 chord on guitar?
On guitar, this chord can be played in 5 ways along the neck. The lowest shape is an open chord (no barre), easier for beginners. Example fingering (from the low E string to the high E string, x = muted string): x02020.
How is the A7 chord built?
The A7 chord (A7) is made of the notes A, C#, E and G. It is built from the root A with a major third, a perfect fifth and a minor seventh.