Scope and Content Kohs scores: 1) Invention #1 for 3 voices; Invention #1 in C and B (2 voices), 1949; Etude in Memory of Bartok, 1946; Three Songs from the Navajo (conductor's score); Invention #7 in E; Invention #2 for Left Hand alone in C#; Invention #8 for Right Hand alone in a 6-tone scale; Invention #9 for Left Hand alone in the two mutually exclusive whole tone scales; Invention #3 for Right Hand alone, in B flat. 2) Elegie and Credo, 1951-1952. 3) Subject Cases: A Duo for narrator and Percussionist,...