In this Basic course, 1h in pre-session and 20 sessions of 1h30, you will learn to: - create a musical theme and its variations. - arrange a composition for a small formation and choice of instruments. - harmonize your theme according to the choice of your instruments and its variations - use the basic effects: compressor, limiter, equalizer, reverb. - mix your arrangement in the stereo space. - master your mix. Prerequisites: practical or theoretical knowledge of a melodic instrument. The 1h pre-session will allow us to get to know each other and to better orient the course according to your musical preferences or training project.