Toning: The Healing Power of the Voice
Laurel Elizabeth Keyes was a teacher and author in Denver, Colorado. She lectured nationally and taught metaphysical and psychological classes for over thirty years and served as Director of the Restorium, a retreat house in the Colorado mountains. She was the author of many spiritual books and discovered the technique of Toning.Don Campbell is a recognized authority on the transformative power of music, listening and The Mozart Effect. He is the author of nine books, including 1997s best-seller, The Mozart Effect. In addition, he has produced 16 albums including the accompanying Music for The Mozart Effect series for adults and children, which dominated the Billboard Classical charts in 1998 and 1999. Campbell also is a leading lecturer and consultant to organizations ranging from corporations to parenting groups to symphony orchestras.