MT-BC holds duel certification in music education and music therapy. She is a graduate of Baldwin-Wallace College and Cleveland State University where she obtained her masters degree in special education and an early intervention specialist credential. Since 1986 she has been a music therapist for the Cuyahoga County Board of Mental Retardation and Developmental Disabilities in Cleveland, Ohio, USA. Currently she works exclusively in the Early Childhood Division. She is co-chair of the Early Childhood Network of the American Music Therapy Association and is on the editorial board of Music Therapy Perspectives. Contact Address: Marcia E. Humpal, 26798 Mangrove Lane, Olmsted Falls, OH 44138, USA.