The Directorate. March Sousa, John Philip 1854-1932 composer Instrumental parts Copyist and holograph parts for orchestra. 16 pp. 26.5 x 34 cm. The orchestral piano part only is holograph. Orchestral music sousa Music Division, Library of Congress DLC IHAS 070920 loc.natlib.sousa.200031226 piano 1 p. flutes 1 p. oboe 1 p. bassoon 1 p. 1st B-flat clarinet 1 p. 2nd B-flat clarinet 1 p. 1st B-flat cornet 1 p. 2nd B-flat cornet 1 p. horns in F 1 p. trombones 1 p. drums 1 p. 1st violin 1 p. 2nd violin 1 p. viola 1 p. cello 1 p. bass 1 p.