the work is scored for a solo percussionist and an orchestra consisting of two flutes (2nd doubling piccolo), two oboes (2nd doubling cor anglais), two clarinets (2nd doubling e-flat clarinet), two bassoons (2nd doubling contrabassoon), two horns, two trumpets, harp, celesta, and strings. the percussion battery consists of vibraphone, glockenspiel, marimba, crotales, cowbells, bass drum, tom tom, conga, two bongo drums, suspended cymbal, two brake drums, four woodblocks, and high metal pipe.