Voices: mezzo-soprano, baritone (Lucifer) + mixed chorus (SSATTBB)
Orchestra: 2 flutes, 2 oboes, 2 clarinets (B flat ), 2 bassoons + 4 horns (E flat /F), 2 trumpets (E flat /F), 3 trombones, tuba + timpani, cymbals, deep bell (or tamtam) + 2 harps + organ + strings