Real-Time Improvisation by David K. Barton, recorded July 30, 2018, PLATO’s Pilot House, Michiana. From 00:05 to 12:22, Tr -1. Of PLATO, No. 1895, “Curious Invention 3”, (David, & Boyd Nutting, 3-3-2010); and, from 00:03 to 13:50, Tr +1, of PLATO, No. 2895, “Rolling away the stone”, (David, Boyd Nutting, & Jeff Campbell, 1-9-2014).