Disk in a single plain-covered envelope. [a] John Cage: Trio (Allegro, March, Waltz) [1936, this is likely Trio Suite] William Russell: Cuban Studies (Habanere, Rumba-Son) Lou Harrison: Counterdance 16" PRESTO NY 33 1/3 RPM center --> edge (recording pattern ?), 5 Tracks [b] Henry Cowell: Pulse [6 perc, 1939] William Russell: March Suite, School, Wedding, Military Anger, Funeral (note: a label phrase says "3rd not good" center --> edge (recording pattern ?), 3 Tracks