Foundation Course in African Music

Structure of African Rhythm


Beat Schemes: Rhythmic Motions

In the development of cross rhythm, there are some selected rhythmic materials or beat schemes that are customarily used. These beat schemes, in their generic forms, are simple divisions of the same musical period in equal units, producing varying rhythmic densities or motions.

Figure 1
Beat Schemes

A simultaneous articulation of beat schemes of contrasting rhythmic motions normally produces a cross rhythmic texture. In practice, a cross rhythm is produced by interacting beat schemes based on two or multiples of two units against those based on three or multiples of three units ( 2:3 ratio).

Graphics/2FIGURE_2.GIF
Figure 2

Developmental Techniques of Cross Rhythms


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