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: 16.
23 parts and an indefinite number of scores.
Green pastures is contained in one folder consisting of 1 eleven-page conductor score, 1 three-page piano conductor score and 7 parts in g minor concert, 1 six page conductor score and 16 parts in D Major concert, and 1 one-page piano conductor score in C Major concert -- in ink and pencil -- in unidentified hands (Parker, others?).
Conductor score in g minor indicates parts for violins, viola, cello, trumpet, bass clarinet, piano. Piano conductor score in g minor does not indicate instrumentation. Score includes lyrics. Lyrics begin "Man uptown named Connely wrote a play that appeals to me ...". Parts in g minor for 1 reed - bass clarinet; trumpet; 2 violins - 1, 2; viola; cello; bass. Conductor score in D Major indicates parts for 4 reeds - flute, clarinet 1, clarinet 3, bass clarinet; trumpets; percussion; 2 violins - 1, 2; viola; cello; bass. Parts in D Major for 5 reeds - flute, clarinet 1, clarinet 2, English horn, bass clarinet; 1 trumpet - 1; celeste; percussion; 3 violins - 1 (2), 2, 3; viola; cello; bass; harp. One page piano conductor score in C Major indicates parts for clarinets, bells. Piano conductor score appears to be a bridge section. -- from the Duke Ellington Library.