Donald A. Hodges is Covington Distinguished Professor of Music Education and Director of the Music Research Institute at the University of North Carolina at Greensboro. He has authored numerous book chapters and articles in music education and music psychology and collaborated on a series of brain imaging studies of pianists, conductors, and singers.�David C. Sebald is Associate Professor and Director of the Music Technology Program at the University of Texas at San Antonio where he teaches courses in digital music and media production. He is also director/owner of�a multimedia development company, Advanced Instructional Media.