Real-Time Improvisation by David K. Barton, recorded August 24, 2018, PLATO’s Pilot House, Michiana. From 00:02 to 13:04, Tr +1, of PLATO, No. 2254, “On the Edge”, (David, Boyd Nutting, & Jeff Campbell, 8-4-2011); with, from 01:51 to 13:27, Tr -1, of PLATO, No. 2257, “The Absent Insect Choir”, (David & Boyd, 8-24-2011).