Example 12 is a polyphonic texture featuring mirror imitation. The lower voice is based on the bottom tetrachord of mode 2. The upper voice is based on the top tetrachord of the mode. This suggests a bitonal context at the tritone.

Example 12: Mirror Imitation





(My apologies for the two temporal "hicoughs" in example 12. It plays back the same way in my scoring program, Overture. Any suggestion will be greatly appreciated.)



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