- Voices: baritone (Hucbald), petit chœur (SATB soli), mixed chorus (SATB)
Orchestra: piccolo, 2 flutes, 2 oboes, English horn, 2 clarinets (B flat ), bass clarinet (B flat ). 3 bassoons - 3 horns (F), 3 trumpets (C), 4 trombones (tenor, 2 alto, bass), tuba
- timpani, triangle + 2 harps + strings