Holographic Projections ~ Track 6 ~ Enigma (Mc Allister) 4:18 The word Enigma comes from the Greek anigma: to speak in riddles, hint. As the title suggests, this piece starts with an open, evocative beginning, then hints at the more rhythmic section with which the piece develops and ends in a dualism or dichotomy that is reflected in so much of our music and performance.