Richard Parncutt is associate professor of systematic musicology at the University of Graz. He is the author of Harmony: A Psychoaccoustical Approach, and many research articles on the perception of harmony, tonality, and rhythm. He is also an internationally experienced pianist and piano teacher. Gary McPherson is associate professor of music education at the University of New South Wales. He has served as treasurer of the International Society for Music Education and national president of the Australian Society for Music Education. As a trumpeter, he has performed with several of Austr...