Can it be, that when you got into music, you were already smart? This video shows what makes up the amazing orchestra of the brains of people that play an instrument. When you listen to music, multiple areas of your brain become engaged and active. But when you actually play an instrument, that activity becomes more like a full-body brain workout. Anita Collins explains the fireworks that go off in musicians' brains when they play, and examines some of the long-term positive effects of this mental workout.