This is a tutorial without voice. I try to make the tutorial as short as possible, enough for you to understand and follow.

This is a short tutorial, how to create music with Audio Spectrum. Do not use 3rd party plugins. Hope it helpful to you ...

An Arduino Nano is charged with running the show, capturing audio via its analog-to-digital converter. A sensitivity pot enables the input level to be set appropriately.

Nothing nefarious here. Once you get through that, you're asked to choose whether you want the visualizer above or below your nav bar (if you have softkeys).