All the chords built on other notes in the scale of C are minor, except chord VII - the notes B – D – F, which is diminished. When a seventh is added to a chord this is known as a seventh chord.

LEMM: This is harmony. It’s the sound created when two ... Let’s start with three notes, C, E and G. Can you find them on your keyboard? Naomi: Here’s C, this is E, and this one’s G.