If we define music therapy as the use of music to promote, maintain or restore health on a physical, mental, emotional or even spiritual level, we are highlighting the multiplicity of music's effects on the organism and the variety of its uses over the centuries and in different civilizations. Let's not forget that many physicians, from Hippocrates, considered the "father" of medicine, and Empedocles to Rabelais, were also musicians. Let's take a look at the history of the relationship between music and medicine, and how it has evolved from its original curative purpose to its modern preventive use to ensure a form of well-being.