Figure 5. The harmonic and tonal progressions of tshikona and khulo, showing the shift of maximum tonal power from tonic (D) to leading note (E), and back to tonic. The rectangles symbolise shifts of tonality, and the changing thickness of the "wedges" illustrates the decrease and increase of the tonal power of the tonic and leading note, which is achieved by the harmonic progression of the chord. Click on the transcription for sounds.

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