1. Aigen K . (1996). Being in music: Foundations of Nordoff-Robbins music therapy. St. Louis, MO: MMB Music.
2. Aigen K . (1998). Paths of development in Nordoff-Robbins music therapy. Gilsum, NH: Barcelona Publishers.
3. Aigen K . (2005). Music-centered music therapy. Gilsum, NH: Barcelona Publishers.
4. Ansdell G . (1995). Music for life: Aspects of creative music therapy with adult clients. London: Jessica Kingsley Publishers.
5. Birnbaum J. C . (2013). Healing childhood trauma through music and play. Gilsum, NH: Barcelona Publishers.