The 6 chords above are the main chords in the key of A major.
The Key of A major consists of  3 major chords & 3 minor chords.
(Each key also has a diminished chord - more of that later!)

All Keys follow the same pattern - for example:
The Key of E major is:
E major, F# minor, G# minor, A major, B major & C# minor.

Have a go at the following 6 Chord Progressions in the Key of A major.
Count 4 beats for each chord.
Make up some progressions of your own.
(In the progressions below F#m = F# minor; Bm = B minor; C#m = C# minor)

Session Five covers Chords in the Key of E major