Triad Harmony
Hear, build, and identify major and minor triads harmonically, in various shapes. Major and minor triads are about 80% of the chords in popular music — the home base of harmony. Learn to tell major and minor apart by sound and to play them in the many ways.
Why
Major and minor triads are about 80% of the chords you'll encounter — build and hear them, and harmony has a home
Playing them harmonically in different ways makes your progressions more interesting and gives you more ways to connect harmony to melody