jeffrey: francis collins headed the national institutes of health -- the world's largest supporter of- for 12 years until 2021. >> i'm a doctor. i want to find every possible way to help people who are suffering from illnesses or other kinds of life experiences that are limiting their ability to flourish. i want to make everybody flourish, and music is such a powerful source of that kind of influence. jeffrey: together, they are leading proponents of a marriage of arts and health -- advocates for research, understanding, and practice in the nexus of music and the brain. we talked recently on the nih campus about their music and health initiative, now in its 7th year. >> i believe the arts should be embedded in healthcare across the board. jeffrey: embedded, meaning? >> meaning, we already have it in many, many places. many hospitals have discovered just how beneficial it is to have creative arts therapists on staff. children's hospitals should have a creative arts studio, i think, available to parents and their children and families. so, i just think it should be everywhere in healthc