UnauthorizedBiography: Joel Chadabe is professor of music at The Manhattan School of Music, New York University's Music and Performing Arts Department, and Bennington College in Vermont. He is the founder of the Electronic Music Foundation (http://www.emf.org) and has also written a highly entertaining history of electronic sound, concentrating on the human beings and the music behind the machines called Electric Sound: The Past and Promise of Electronic Music, published by Prentice Hall. http://www.chadabe.com