★Hyperion

In each section a new overtone melody or 'model' is introduced and repeated several times. Each female voice leads a new section eight times, and each male voice, nine times. Some of the other singers gradually have to transform their own material until they have come into 'identity' with the lead singer of the section by adopting the same tempo, rhythm and dynamics. When the lead singer feels that 'identity' has been reached, he or she makes a gesture to another singer who leads the next sectio…