1 2 Paul Du Noyer (ed.), "Contemporary", in the Illustrated Encyclopedia of Music: From Rock, Pop, Jazz, Blues and Hip Hop to Classical, Folk, World and More (London: Flame Tree, 2003), p. 272. ISBN 1-904041-70-1
↑ Don Michael Randel, "Modernism", The Harvard Dictionary of Music, fourth edition (Cambridge: Harvard University Press, 2003). ISBN 9780674011632.
↑ Edward Lowinsky, "The Musical Avant-Garde of the Renaissance;or, the Peril and Profit of Foresight", in Music in the Culture of the Renaissance and Other Essays, edited and with an introduction by Bonie J. Blackburn with forewords by Howard Mayer Brown and Ellen T. Harris, 2 vols. (Chicago: The University of Chicago Press, 1989) 2:730–54, passim.
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