Don M. Randel is the author of The Harvard Dictionary of Music and Musicians and former president of the University of Chicago. Matthew Shaftel is the Dean of Westminster College of the Arts at Rider University and coauthor of Aural Skills in Context: A Comprehensive Approach to Sight Singing, Ear Training, Keyboard Harmony, and Improvisation . Susan Forscher Weiss is Professor of Musicology and German & Romance Languages and Literature at The Johns Hopkins University.