This course helps you learn to listen to music, and identify intervals and chords. So you can use them in your own music. And, it's all about listening so you don't even need an instrument to learn.
It is learning to actively identify individual musical sounds. So you can recognize them in the music you hear.
You hear everything that goes on around you. Even when you are asleep.
But, listening takes a concentrated effort. You have to focus on the sounds you want to hear. Whether it's someone's voice, or a song, or one instrument playing in a group.
Once you know the elements of music; you can easily play anything you can imagine.
All musicians. All instruments and vocalists. All ability levels.