A major on the circle of fifths: key signature and diatonic chords
Key signature, relative key, diatonic chords, and neighboring keys for A major on the circle of fifths: 3 sharps in the key signature (F#, C#, G#).
Tap a key on the outer ring (majors) or inner ring (relative minors).
A major
relative: F# minor
Key signature
F#C#G#
3#A major
A major has 3 sharps in the key signature (F#, C#, G#). Its main chords are I: A major, IV: D major, V: E major. The neighboring keys on the circle of fifths are D major, B minor, F# minor, E major, C# minor.