nature sounds: meditative woodland megaphones in Estonia
milk-drop: the gorgeous music visualisation scheme called Panoramical
white-noise: addressing the Fermi Paradox, Edward Snowden suggests that highly encrypted communication becomes indis- tinguishable from cosmic background radiation
two-man band: the fabulous myriophone that mimics the effects of a full string orchestra section, via the resplendent Nag on the Lake
transduction: in addition to perceiving sounds, one’s ears also produce them