E-flat clarinet
The work is scored for an orchestra comprising three flutes (2nd and 3rd doubling piccolo), three oboes (3rd doubling cor anglais), three clarinets (2nd doubling bass clarinet, 3rd doubling E-flat clarinet), two bassoons, contrabassoon (doubling bassoon), four horns, three trumpets, two trombones, bass trombone, tuba, timpani, six percussionists, harp, piano, and strings.