Real-Time Improvisation by David K. Barton, recorded June 24, 2018, PLATO’s Pilot House, Michiana. From 00:00 to 13:00, and from 07:11 to 20:11 of PLATO, No. 2192, “Voices of the Deep Sea”, (David, Boyd Nutting, Julie Soales & Eric Lester, MGS/MIMF XXI, No. 9, 6-24-2011).