Diatonic Triads in a Major Key

Seven Chords That Make a Key In E-M1 Lesson 2 you met three chords: C major, F major, and G major. They are the most common chords in C major, but they are not the only ones. Every major key contains exactly seven triads, one built on each note of the scale. These seven triads are called the diatonic triads..

The full lesson continues with step-by-step practice, worked examples, and the end-of-lesson quiz.