E-flat clarinet
The work is scored for an orchestra comprising piccolo, 1 flute, alto flute, two oboes, cor anglais, 2 clarinets ( 2nd doubling E-flat clarinet), bass clarinet, contrabass clarinet, two bassoons, contrabassoon, four French horns, three trumpets (3rd doubling piccolo trumpet), three trombones, tuba, timpani, three percussionists, harp, celesta, synthesizer, and strings.