How to play A7
A dominant seventh — A major triad plus a flattened seventh. The dominant chord — it leans hard toward resolution, and is the backbone of blues.
Notes in A7
- Aroot
- C#major 3rd
- Eperfect 5th
- Gminor 7th
A7 on guitar
A7 on ukulele
A7 on piano
Tune up before you play it
A dominant seventh chord is unforgiving of a flat third. Check the guitar with the browser tuner, then practise the change with the metronome.