Real-Time Improvisation by David K. Barton, recorded December 4, 2018, PLATO’s Pilot House, Michiana. From 00:03 to 08:14 , and from 03:19 to 11:30, both Tr -8, of PLATO, No. 3663, “trisixisirt”, (Boyd Nutting, Jeff Campbell, & 337is (Leslie Rollins), 2-25-2016).