About the Author: James Lincoln Collieris the author of over forty books, which have been published in twelve languages, including Russian: he is the only American writer on jazz to have official acceptance in the U.S.S.R. His books on music include biographies of Louis Armstrong and Duke Ellington,The Making ofJazzandPractical Music Theory, used in many schools. His articles on music have also appeared in theNew York Times Sunday Magazine, Village Voice, Wall Street Journal, and many others. He contributed major articles to theNew Grove Dictionary of American Musicand toGrove's Dictionary of Jazz. Collier has worked as a jazz musician around New York for many years, and has played with groups in a dozen nations around the world.