Informal learning pedagogy has become a major topic within the international field of music education, due in no small part to Lucy Green's groundbreaking research on popular musicians' learning, as well as her subsequent efforts to turn her research findings into a pedagogy that can be implemented in comprehensive school music education. This has generated massive interest and attention among music education practitioners and scholars worldwide. With experience of studying and working within higher music education in the Nordic countries, the editors of this anthology, Sidsel Karlsen and...