"This is a subject which deserves more attention in the teaching and study of music therapy"

"This is an important subject that could have great significance to music therapy and especially to clinical improvisation...excellent ideas"

Reviewers' comments to the proposed article "Graphic Notation as a Tool in Describing and Analyzing Music Therapy Improvisations", 1992. The article was printed in the American magazine Music Therapy vol. 12 no. 1, 1993, issued by the American Association of Music Therapy.

"The graphic notation of clinical improvisation (Bergstrom-Nielsen, 1999) is an important development in making available evidence of sessions other than audio or video recordings, as means of transcribing music therapy diagrammatically and pictorially... provides information that is insightful and creative"

Colin Lee: The architecture of aesthetic music therapy, 2003, p. 132.