Our mind is wired to respond to change and difference with attention. This enables us to adapt to new conditions and helps us survive. Because of the time element involved in live arts, this is an important consideration when composing a piece. Contrast tends to keep the audience attentive. However, if everything is different and changing all the time, this would become the constant and the mind would register sameness as the contrasting element. Routine can turn my attention off. What do I need to break the routine and wake up? Is it a routine of sameness or a routine of irregularity? Do I need something extraordinary or, rather, some continuity?