Prof. Lucy Green (Professor of Music Education at the UCL Institute of Education, UK)
Christopher Drake, MA. 
Eddy K. M. Chong (Assistant Dean for Postgraduate Diploma in Education at Nanyang Technological University, Singapore)
Prof. Margaret Barett, Ph.D. (Head of the School of Music at the University of Queensland)
 Prof. Triyono Bramantyo, Ph.D.
Department of Music ISI Yogyakarta