Instrumentationorgan solo, MIDI playback on the organ, stereo audio playback, and orchestra: 3 flutes (II and III doubling piccolo), 3 oboes (III doubling English horn), 3 B-flat clarinets (III doubling B-flat bass clarinet), 3 bassoons (III doubling contrabassoon); 4 horns in F, 3 trumpets in C, 2 trombones, bass trombone, tuba; percussion (4 players: player 1 — thunder sheet or thunder drum, rainstick, taiko drum 1, whirly tube, waterphone, analog metronome; player 2 — bass drum, ocean drum, suspended cymbal (middle), crotales, muted skin / practice pad, analog metronome; player 3 — whip, shell chimes, suspended cymbal (low), taiko drum 2 (left), tam-tam, analog metronome; player 4 — timpani, crotales); 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)