A7 chord on guitar
A dominant seventh · formula 1 – 3 – 5 – ♭7
Fingerings for A7
From thick (left) to thin (right). × = don't play, ○ = open string, orange = root A. A number on the left shows the starting fret.
Notes in A7
- A (1)
- C♯ (3)
- E (5)
- G (♭7)
About this chord
The dominant seventh chord builds tension that wants to resolve to the chord a fourth higher. It is also the blues chord: in a 12-bar blues all three chords are seventh chords.
Which keys contain A7?
Key pages are in Dutch for now.