"Singing is not about timbres or category labels, singing is about fascinating acoustical properties like the colors of the human voice which derive from thought and emotion."

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Design is a field of concern, response, and enquiry as often as decision and consequence... it is convenient to group design into three simple categories, though the distinctions are in no way absolute, nor are they always so described: product design (things), environment design (places) and communication design (messages).

— Norman Potter