Music is something that has existed forever. Created before the written word, it is something ingrained into our culture and our bodies. Music is tied very closely with the subconscious mind. Have you ever heard a song that you haven't heard in years and then start recalling moments and emotions from when you listened to it most often? Or have you picked up an instrument you haven't played in years only to be able to do everything you could before?
Music is built into our speech too. The rhythm and pitch changes as we speak and ask a question. Or did you know that by listening to music you can improve your performance in physical tasks? The video below by the YouTube channel Vsauce2 explains how deep these connections go: