1Charles Rosen, Sonata Forrru. New York, W.W. Norton & Company, Inc. , 1988, pp. 8 -9.
2James Webster, "Sonata Form," in Stanley Sadie (ed.) The New Grove Dictionary of Music and Masid- arts . London: Macmillan Publishers Limited, 2001, Vol. 17, pp. 690-691.
3James Mathes, The Analy-sis of Music Form, Upper Saddle River, NJ: Pearson Prentice Hall, 2007, p. 102.
4William Caplin, Classical Form: A Theory of Formal Functions for the Instrumental Music of Haydn, Mozart, and Beethoven, UK: Oxford University Press, 1998.
5A sentence is a phrase corn-prised of a statement, a repetition, and a continuation that leads to a cadence. The three parts of a sentence are normally in proportions of 1 : 1 : 2 or multiples thereof. These proportions are also a defining characteristic of a sentence.
6James Mathes, The Analysis of Music Form, Upper Saddle River, NJ: Pearson Prentice Hall, 2007, p. 42.