Software artist Joshue Ott brings graphic animation into “The Knells” with Andrew McKenna Lee in search of one’s perception of the passage of time, the illusive nature of progress, the power of perspective in deriving meaning from one’s own life experience employing an armada of instruments and sounds to explore a wide variety of musical spaces, with the constant of a female vocal trio that delivers beautiful, unearthly, and hypnotic incantations.