Cherubini in his numerous works to liturgical texts, does not go beyond the so-called classical orchestra, that is, first and second violins, violas, cellos, basses. flutes, oboes, clarinets, bassoons, horns, trumpets, trombones, and kettle-drums, Liszt and Gounod in addition to these also employed the piccolo (small flute), contrafagotto, or bassoon bass, the harp, cymbals, and tuba (a brass instrument serving as a bass to the trombone family).    From Wordnik.com.  [The Catholic Encyclopedia, Volume 10: Mass Music-Newman] Reference