1. Aigen K . (1995). The aesthetic foundation of clinical theory: A basis of Nordoff-Robbins music therapy. In Kenny C. B. (Ed.), Listening, playing, creating: Essays on the power of sound (pp. 233–257). Albany, NY: State University of New York Press.
2. Aigen K . (1998). Paths of development in Nordoff-Robbins music therapy. Gilsum, NH: Barcelona.
3. The true nature of music-centered music therapy theory;Aigen;British Journal of Music Therapy,(1999)
4. Aigen K . (2005). Music-centered music therapy. Gilsum, NH: Barcelona.
5. In Defense of Beauty: A Role for the Aesthetic in Music Therapy Theory