In this lesson series, we explore the key of A Major and its relative minor key, F#, including their primary and secondary chords, as well as a selection of common chord progressions.
Main Category:Theory
Main Instrument:Any
6 August 2026
Key Signatures - A Major
In this lesson series, we explore the key of A Major and its relative minor key, F#, including their primary and secondary chords, as well as a selection of common chord progressions.
1
Key Signatures - A Major and F Sharp Minor
A Major (or the key of A) is a major scale based on A, with the pitches A, B, C#, D, E, F#, and G#. Its key signature has three sharps: F#, C# and G#. Its relative minor is F sharp minor and its parallel minor is A minor.
2
Primary Chords - A Major
The primary chords for any major key are the I, IV and V chords of its corresponding major scale. For A Major, the primary chords are: A, D, E and E7.
From the primary and secondary chords of a major key, countless songs and chords progressions can be played.
3
Secondary Chords - A Major
The secondary chords for any major key are the II, III and VI chords of its corresponding major scale. For A Major the secondary chords are: Bm, C#m and F#m.
From the primary and secondary chords of a major key, countless songs and chords progressions can be played.
4
Common Chord Progressions for the Key of A
Common chord progressions for the key of A. Using the primary and seconday chords for the key explore these common chord progressions for the key of A.