Ernst Krenek - Canon, dodecaphonic by inversion and retrogression

“For Paul Fromm, the dear friend, for his seventieth, or: Canon, dodecaphonic by inversion and retrogression” (Manuscript Score by Ernst Krenek, for Paul Fromm, Palm Springs, CA, Oct. 14, 1976) [Houghton, MS Storage 305, Series IV, Box 1, Folder: Paul Fromm 70th Birthday, H1058; Hollis Number: 009050758]