¹This is discussed more extensively in some of the other chapters, such as 8 (§), 7 (§), and in the first chapter, p. §. – The following presentation will be full of references to chords, chord functions and tones. I will distinguish between these with typographical means: note names will be set in italics, chord names in bold face, and the abbreviated function names, T, S, D, in typewriter style.