Bibliography 
 

Ardley, Neil. Music: An Illustrated Encyclopedia. Text copyright © 1986 Hamlyn Publishing (p.179).

Hindely, Geoffrey, editor. Larousse Encyclopedia of Music. English language edition copyright © 1971 The Hamlyn Publishing Group Limited (pp. 57, 71-73, 88, 97-100).

Machlis, Joseph and Forney, Kristine. The Enjoyment of Music: An Introduction to Perceptive Listening. Copyright © 1995, 1990, 1984, 1977, 1970, 1963, 1955 by W.W. Norton & Company (pp. 21, 24, 70-73, 80-81, 84, 86-89).

Stanley, John. Classical Music: An Introduction to Classical Music Through the Great Composers & Their Masterworks. Text copyright © 1994 John Stanley. Ilustrations copyright © 1994 Reed International Books Limited (pp. 12, 32, 44-45, 52).

Swafford, Jan. The Vintage Guide to Classical Music. Copyright © 1992 Quatrain Associates, Inc. (pp.10-11, 13-17, 20).
 
 

For Further Reading Check Out:

Hughes, Anselm. Early medieval music up to 1300.

Hughes, Anselm. Ars Nova and the Renaissance, 1300-1540.
 

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