Now let us have a look at what chords sound good with A…shall we? If we follow the famous I – IV – V progression then we will see the following chords emerge if we keep to the same formula being that A is the tonic note (which it is!).
A Major (I)
D Major (IV)
E7 (V)
Take a look at the video below on how these chords are played together:
A Major: Tonic, Subdominant & Dominant