Handwriting and other details have been reported based on the notes of David Berger, Andrew Homzy, Dr. Theodore Hudson, Walter van de Leur, and Dr. Mark Tucker.
There appears to be a number from the Duke Ellington Band Book: 8.
Just blow your breath on it is contained in one folder consisting of 7 parts in C Major concert -- in ink -- in unidentified hand (Tizol?).
Parts for 2 reeds - Ben, Carney; 3 trumpets - Rex, Nance, Wallace; 2 trombones - Tricky, Tizol. Part for Tizol appears incomplete. Parts are noted on the verso of parts for "Main stem," Folder A, grouping iii. -- from the Duke Ellington Library.