Types of Moments
M-moments (in which melodic characteristics predominate). The M- moments emphasize heterophony, which is a way of articulating sound-events around a line. Several sources can be following this same line but not necessarily at the same time, so the interferences of the several lines combine to produce something new- a heterophonic event.
K-moments: having to do with sound quality. They are characterized by everything that functions as components of a complex sound: homophonic music.
D: duration; moments based on measured durations of different lengths. These give rise to two important characteristics of music: silence and polyphony. Cutting lines of music/sound means one has to deal with different durations of either fragments of melodies or silence. These pieces can be separated or superimposed, which produces polyphony.
I-moments: 'I' stands for informal, or extremely indeterminate. They are vague, static, without direction, they are also the longest moments in the piece and they help neutralize the three other main categories of moments.
These moments are capable of inter-relating on a variety of levels.
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