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.
Unsigned Strayhorn composition.
Statement of responsibility taken from Popular Music, 1920-1979, ed. Nat Shapiro. There appears to be a number from the Duke Ellington Band Book: 174.
39 parts and an indefinite number of scores.
I may be wrong is contained in four folders consisting of 1 nine-page conductor score in Ab Major concert, 1 twelve-page conductor score and 27 parts in Eb Major concert, and 12 parts in G Major concert -- in ink and pencil -- in unidentified hands (Whaley, Sanders?).
Folder A contains nine-page conductor score. Score indicates parts for alto, tenor, trumpet, drums, piano.
Folder B contains twelve-page conductor score and 12 parts in Eb Major. Conductor score does not indicate instrumentation. Parts for 4 reeds - alto 1, alto 2, tenor 3, baritone; 4 trumpets - 1, 2, 3, Scad; 2 trombones - 1, 2; bass; piano. Part for Scad may reflect a different arrangement of the piece.
Folder C contains parts in 2 groupings -- (i) Parts in Eb Major for 2 reeds - alto 1, baritone. -- (ii) Parts in G Major for 4 reeds - Rabbit, Nat, Ben, Jimmy; 3 trumpets - Baker, Taft, Wallace; 3 trombones - Tricky, Sandy, Tizol; bass; guitar.
Folder D contains parts in Eb Major for 5 reeds - Proc, Rab, Sears, Ben, Carney; 1 trumpet - Baker; 5 trombones - CEJ, Brown, Tyree, 1, 3; bass; guitar. -- from the Duke Ellington Library.