Key of E Major

Everything the key of E major contains: its scale, its seven diatonic chords, and its closest relatives.

The key of E major is built on the E major scale. Harmonizing that scale in thirds yields its seven diatonic chords: E – F#m – G#m – A – B – C#m – D#°. Its relative minor — the key sharing exactly the same notes — is C# minor, and its parallel minor is E minor.