If you want to start at the beginning of the series, there's a playlist you can follow:    • Understanding Frequency Modulation  

Now we get to the meat of FM, where all those lovely rich sounds come from...and also those clangorous, in harmonic sounds. It all starts with the generation of sideband frequencies coming out of the modulation of frequency.

A lot of what we're going to talk about from here on is going to involve understanding how harmonics come together to create more interesting sounds. If that's new ground for you, check out this video first:    • Oscillators, harmonics, and a way to ...