What's the point of music? You might be tempted to answer that it's an enjoyable pastime or an art form, but nothing really essential. For the first time, a documentary shows the opposite. Music is a biological necessity for human beings: it helps build our brains. In recent years, the discoveries of international neuroscience researchers have revolutionized our understanding of the impact of music on our brains. This film is a behavioral and neurological investigation whose ambition is to unveil the mystery of music's powers in our lives.