Suzanne L. Burton, Ph.D., is Professor of Music Education, Director of Graduate Studies, and Program Director of Music Education at the University of Delaware where she teaches undergraduate and graduate courses in music education and advises student research. She specializes in music development from early childhood through adolescence with scholarly interests in music literacy as well as music teacher preparation and professional development. Alison M. Reynolds, Ph.D., is associate professor of music education, Presser Center for Research and Creativity in Music, in the Boyer College of Music and Dance at Temple University. Her scholarship, teaching, and service focus on policy/advocacy, research, curriculum development, socially interactive music learning and development among learners from at least birth through 12 years of age, and guiding research and practice among preservice and in-service music teachers and future music teacher educators.