"Hodie" calls for a large orchestra of three flutes (the third doubling piccolo), two oboes, cor anglais, two clarinets in B-flat, two bassoons, contrabassoon; four French horns in F, three trumpets in B-Flat, two trombones, bass trombone, tuba; a percussion section that includes timpani, bass drum, snare drum, tenor drum, tubular bells, cymbals, glockenspiel and triangle; celesta, piano, organ; strings; SATB choir and boys' choir; and soprano, tenor and baritone soloists.