This beginner piano lesson is all about primary chords or I IV V chords. Learn more here: http://www.piano-keyboard-guide.com/primary-chords.html We take a look at primary chords in the 12 major keys, C, C#, D, Eb, E, F, F#, G, Ab, A, Bb and B major. These are the most important chords in each major key. They are all major chords. These are the chords to start with in each key. | Piano-Keyboard-Guide.com