Rita Aiello, Ph.D., is a professor at the Julliard School, and adjunct associate professor in the Department of Psychology at New York University, and an adjunct professor at the Manhattan School of Music. Dr. Aiello, a pianist, has an interest in the nature, the meaning and the understanding of music. John A. Sloboda, Ph.D., is Professor of Psychology at the University of Keele, Staffordshire.