Susan Hallam is Professor Emerita at the UCL Institute of Education, UK. Her research interests in music include practising, performing, musical ability, musical understanding and the wider impact of engagement with music.Andrea Creech is Professor of Didactique Instrumentale at the Faculty of Music, Université Laval, Canada, where she holds a Canada Research Chair in music in community. Her current research and teaching focuses on collaborative learning, music for social development, and creative ageing in and through music. Maria Varvarigou is Lecturer in Music at Mary Immaculate College, Ireland. Her research interests focus on playing by ear and informal learning, intergenerational music making and choral conducting education.