Music is the art of sound in time. Music expresses ideas and emotions in significant forms through the elements of melody, harmony, and rhythm. Tones or sounds occurring either in a single line (i.e., melody) or in multiple lines (i.e., harmony) and the feeling of movement of sound in time (i.e., rhythm) are the essential elements of music. Music is a powerful tool that can evoke latent emotions, induce a range of emotional states, and enhance communication. It is important from a cultural and entertainment perspective and as a form of nonmedicinal therapy and healing for various conditions. Music has been used as a supportive and palliative method in the practice of medicine. Music therapy is the use of interventions to accomplish individual goals within ...