Why is church music the only music from the Middle Ages that has been preserved in any significant amount?

Pozzo's fresco in the Church of Sant' Ignazio shows St. Ignatius a. teaching

b. being killed. c. rising to heaven. d. fighting on horseback.

The amplification of sounds produced by a performer or musical instrument is called

A. sound embellishment. B. sound reinforcement. C. sound reproduction. D. sound composition.