In the documentary Alive Inside, a dementia patient who is barely there anymore is given a headphone with some of his old favorite music. Suddenly, while listening to the music he comes alive, moving and singing along with the music. When asked immediately afterwards about what music means to him, the man says "It gives me the feeling of love." He starts to remember who he is as his brain lights up more than it has in years. No one understands why, but music makes the brain