This piece provides a historical overview of the use of music as a therapy in the Unites States, with an emphasis on the changes that have occurred over the past century.
Lin, C. (2011). A Comparison of Music as a Therapy Before and After the 20th Century in America. Quill & Scope, 4 (1). Retrieved from https://touroscholar.touro.edu/cgi/viewcontent.cgi?article=1117&context=quill_and_scope