Real-Time Improvisation by David K. Barton, recorded February 22, 2019, PLATO’s Pilot House, Michiana. From 00:08 to 26:08, and from 13:17 to 39:17 of PLATO, No. 1145a, “Ariadne’s Thread, part 1”, (David, Katie Holtgren, & So-Hee Kim, with Josh Bonham, viola, 2-22-2002).