"Penumbral Zone Residua of Past Impressions is intended for a large string orchestra, the ideal balance consisting of 24 violins, 18 violas, 18 'cellos, and 12 basses, each divided into 6 sections. It is in one continuous movement, but with several strongly constrasting sections. The beginning and ending sections change meter often, keeping a common eighth-note pulse, except where otherwise indicated. In two passages, mm. 352--389 and 398--445, I have called for the use of two contrasting meters, related by a ratio of 3:2, to be used simultaneously."
"The topic of this thesis was selected because of an existing need for an analytical study of the use of the trumpet and cornet in the early twentieth century, a time when composing for these instruments was especially adventurous. Three of the most important and most frequently performed orchestral works from this period were selected as a basis for the study, the early Stravinsky ballets---The Firebird, Petrushka and The Rite of Spring."