Debates about the connection between the mind and the body date all the way back to ancient times. Today, we might finally have plausible answers. Neurologists have been diligently working on mapping areas of the brain where specific emotions occur, and how these target areas interact with other parts of the brain. As it turns out, the mind-body connection seems to be very strong indeed.
Psychology behind music. According to the graphic, music actually involves more parts of the brain than any other human function. It also increases language skills, creativity, and overall happiness (to name a few).