Listen for heavy breathing. What is voice? Voice is breath. -- Hazrat Inayat Khan, The Mysticism of Sound and Music Every time a unicorn exhales, it speaks. Before you dismiss unicorns as long-winded bores, however, you should consider the following insight, from the Indian Sufi master Hazrat Inayat Khan: When we study the science of breath, the first thing we notice is that breath is audible; it is a word in itself, for what we call a word is only a more pronounced utterance of breath fashioned by the mouth and tongue. In the capacity of the mouth breath becomes voice, and therefore the original condition of a word is breath. (The Mysticism of Sound and Music, 1991) Resounding at intervals, the magnificent, throaty bursts of unicorn breath can sound like: rasping winds from subterranean caverns an angry surf a buzz saw