Patricia Shehan Campbell is a specialist in music in early and middle childhood, world music pedagogy, sociology of music, and music and movement. A world-renowned scholar, she has written or co-authored many books on music education including Music in Childhood, Teaching Music Globally, Songs in Their Heads, and Lessons from the World. Steven M. Demorest is well known in the field of music education. Demorest specializes in choral music education, sight-singing pedagogy, and research in the cognitive neuroscience of music. He is the author of Building Choral Excellence: Teaching Sight-singing in the Choral Rehearsal as well as numerous research articles. Steven J. Morrison is well known in the field of music education. Morrison specializes in instrumental music teaching and learning, perception, and neurological responses to music listening. His articles have appeared in a variety of research journals in music education.