Instrumentationsolo trombone and orchestra: 3 flutes (II and III doubling piccolo), 2 oboes, cor anglais, 3 B-flat clarinets (III doubling B-flat bass clarinet), 2 bassoons, contrabassoon; 4 horns in F, 3 trumpets in C, 2 trombones, bass trombone, tuba; percussion (4–6 players: 2 snare drums, triangle, bass drum, tam-tam, whip, tambourine, glockenspiel, xylophone, slide whistle, 2 whirly tubes); harp; strings (violin I divisi up to 4, violin II divisi up to 3, violas and violoncelli divisi up to 3, double basses divisi up to 2). The two snare drums are placed to the left and right of the orchestra. With only four percussionists, one or two instruments should be omitted from bar 306 onwards. Five whirly tubes are required overall, played by trumpet I, flute I, horn I and both snare-drum players.