LESLIE CAMERON is Associate Professor of Psychology at Carthage College, Wisconsin, USA BEATRICE ACCORTI GAMANNOSSI is Lecturer in Developmental and Educational Psychology at University of Florence, Italy ROGER HANCOCK is Senior Lecturer in Education at the Open University, UK GIULIANA PINTO is full Professor of Developmental and Educational Psychology at University of Florence, Italy AYSHE TALAY-ONGAN is Retired Senior Lecturer, Macquarie University, Sydney, Australia SOMBAT TAPANYA is Assistant Professor in the Department of Psychiatry, Chiang Mai University, Thailand SUSAN YOUNG is Senior Lecturer in early childhood studies and music education at the School of Education and Lifelong Learning, Exeter University, UK and Senior Research Fellow with the Centre for International Research in Music Education (CIRME) at the University of Surrey Roehampton, UK