The first scale you will learn to play in this module is the major pentatonic scale. As the name says, it is a 5-note scale. It is the No. 1 scale of Western and Eastern music. It's everywhere, blues, rock, country, pop ... all of these musical styles use the major pentatonic scale. It is excellent to understand the major pentatonic scale at this stage of learning, after all, it is the gateway to the art of improvisation.