Additional materials for this piece are contained with "Paris blues scores," Folder C, grouping v. Handwriting and other details have been reported based on the notes of David Berger, Andrew Homzy, Dr. Theodore Hudson, Walter van de Leur, and Mark Tucker.
P.B.X. is contained in one of thirty two folders for "Paris blues" consisting of 14 parts in D Major concert -- in ink -- in unidentified hand (Whaley?).
Parts for 5 reeds - Proc, alto 3, tenor, Paul, baritone; 4 trumpets - 1, 2 (2), 3, 4; 3 trombones - 1, 2, 3; bass. -- from the Duke Ellington Library.