the mass in c starts off slow ad then fast the tempo is walking speed so of theThe composition is scored for four soloists (soprano, alto, tenor, bass), a four-part choir (SATB), and a symphony orchestra of flutes, oboes, clarinets, bassoons, horns, trumpets, timpani, strings and organ. The setting of the Latin Order of Mass is structured in five movements.
The mass in c do not have people singing it just a fine piece of music
the heterophonic just fit perfectly with the song it's moving.
In Conclusion Beethoven mass in c sets a peaceful mood.