Milton Babbitt is William Shubael Conant Professor of Music Emeritus at Princeton University. Stephen Peles is Assistant Professor of Music Theory and Composition at the University of Alabama School of Music. Stephen Dembski is Professor of Music Composition at the University of Wisconsin-Madison. Andrew Mead is Professor of Music at the University of Michigan. Joseph N. Straus is Professor of Music Theory at Queens College and the Graduate Center of the City University of New York.