- ELLIS, PHIL, “Developing Abilities in Children with Special Needs - A New Approach” in Children and Society, 95,9:4, pp.64-79.

- ELLIS, PHIL, Incidental Music: a case study in the development of sound therapy, British Journal of Music Education (1995), 12, pp. 59-70.

- ELLIS, PHIL, The Music of Sound: a new approach for children with severe and profound and multiple learning difficulties, British Journal of Music Education,
1997, 14:2, pp. 173-186.

- ELLIS, PHIL e VAN LEEUWEN, LIESELOTTE, Living Sound: human interaction and children with autism, ricerca presentata alla commissione ISME sulla Musica nell’Educazione Speciale, la Musicoterapia e la Medicina Musicale, Regina, Canada, luglio 2000.

- GAERTNER, MAY, ‘The sound of music in the dimming, anguished world, of Alzheimer’s Disease’ in Wigram, T. e De Backer, J (Eds.), Clinical Applications of Music Therapy in Psychiatry, Jessica Kingsley Publishers, 1999, pp. 244-264.

- HILLMAN, MICHAEL, ‘Introducing Soundbeam’ in Tomaino, Concetta M. (Ed.), Clinical Applications of Music in Neurologic Rehabilitation, MMB, 1998, cap. 6.

- OCKELFORD, ADAM, Music and visually impaired children, RNIB 1993 PERRY, BETHANY G. e WOLSLEGEL, WENDY M, Assessment of effectiveness of Soundbeam to Elicit Movement and Social Interaction, University of Wisconsin Eau Claire, 1997.