A7
Sevenths · A root
A7
Tense and driving. Creates the strongest pull toward the tonic.
0 st4 st7 st10 st
Notes in A7
ARoot
C#3rd
E5th
G7th
A is the reference pitch (A440). Very common in rock and pop — the vi chord in C major.
Identify the Chord Quality on A
Each chord below is played on A. Listen and identify whether you heard A7, Am, A7, or another quality — the hardest and most useful ear training skill.
Dominant 7th in All 12 Keys
Other Chords in A
Related Sevenths
About the A7 Chord
The A7 chord is a dominant 7th chord built on A. It contains the notes A, C#, E, G — the root, third, fifth, and seventh.
Tense and driving. Creates the strongest pull toward the tonic. Practising the A7 chord across different voicings and contexts builds the harmonic recognition that lets you identify it instantly in any musical setting — whether in a band mix, a recording, or a live performance.