Principles of Westergaardian theory: Lines
...Lines, in Westergaardian theory, are the things that notes live in. This, you will observe, is the most salient and probably the most important way in which Westergaardian theory contrasts with harmonic theory. In harmonic theory (or, if you prefer, the harmony-and-voice-leading model), the things that notes live in are chords . More on this...
