a soft, primitive incantation humming high-tension wires an otherworldly harp a menu item that is unavailable this evening a stone dropping into a quiet pool dream-like remembrances an entire forest of songbirds the ringing of a crystal bowl a pinwheel a stereo that has been powered up but on which nothing is being played Accounts of unicorns' magical sounds in literature include: The breeze had gone, the air was still just silence echoed all around and then as if in a dream, It raised its head and made a sound totally unlike a whinny. -- Gina L. Dartt, "Unicorn" (2006) In this waveform of magical unicorn sounds, notice the unusual vibrational symmetry.