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.
1 part and an indefinite number of scores
Optimism is contained in one folder consisting of 1 four page conductor score and 1 part in G Major concert, and 1 one page conductor score in C Major concert -- in pencil -- in unidentified hand (Whaley?).
Conductor score in G Major indicates parts for 6 voices - 1, 2, 3, 4, 5, 6. Score does not include lyrics. Vocalists only hum. Part for 1 voice - 5. Conductor score in C Major for 4 voices. Lyrics begin "Anyone knowin' the sweetness of your substance ...". Score appears incomplete. -- from the Duke Ellington Library.