Chords in the key of A major
The chord chart below lists the common traids and four 
note chords in the key of A major. Roman numerals indicate 
each chords position relative to the scale.

A major scale notes: A B C# D E F# G#
Major key chord sequence: Maj min min Maj Maj min dim
I	ii	iii	IV	V	vi	vii
Amaj	Bmin	C#min	Dmaj	Emaj	F#min	G#dim
Amaj7	Bmin7	C#min7	Dmaj7	E7	F#min7	G#m7b5
Common chord progressions in A major
I - IV - V	A - D - E
I - vi - IV - V	A - F#m - D - E
ii - V - I	Bm7 - E7 - Amaj7