The elements of voice and style are braided together like twine, consisting of these attempts to copy other artists, or an instrument, or even the sound of a bird or passing train. Added to these characteristics are emotions and thoughts that register as various vocal quirks, like hiccups, sighs, growls, warbles—a practically limitless assortment of choices. Most of these choices are made at the speed of sound on a subconscious level, or one would be completely overwhelmed by the task.