Real-Time Improvisation by David K. Barton, recorded December 19, 2021, PLATO’s PilotHouse, Michiana. PLATO, No. 6998, “Logarith-mancy” (David, solo, 11/17/19); with, PLATO, No. 7099, “Star Journey (for Pamina)” (David, solo, 1/15/20).