Specialized Music Therapy Trainings (This is useful information for me to have later on. For example, I didn't know that there was Music Therapy Assisted Childbirth.) (Beginnings: Prenatal Development/Birth)
This is about Music Therapy and Alzheimer's Infographic. I would say this is a very reputable source. It comes from American Music Therapy Association and at the bottom it lists all the doctors, psychologists, and scientist that made this.