Real-Time Improvisation by David K. Barton, recorded August 17, 2019. PLATO’s PilotHouse, Michiana. PLATO, No. 2250, “Knocking on perception’s door”, 00:01-12:17-Tr -1; with PLATO, No. 2251, “Temporary Equilibrium”, 00:01-13:01 (both: David, Boyd Nutting, & Jeff Campbell, with David Pearson, drums, 8-17-20).