Rosa M. Serrano is Professor of Music Education at the University of Zaragoza, Spain.

Guadalupe López-Íñiguez is Associate Professor of Music Education at Sibelius Academy, University of the Arts, Helsinki, Finland.

José Luis Aróstegui is Professor of Music Education at the University of Granada, Spain.

Gwen Moore is Associate Professor of Music Education at Mary Immaculate College, Limerick, Ireland.