What is the name of the process in which an artist pushes the point of a burin across a metal plate, forcing the metal up in slivers in front of the burin?

This composition is a good example of its musical genre because?

a) all voices sing the same text b) all voice parts sing different texts c) the top two voices sing the same text while the lowest voice sings yet another d) the bottom two voices sing the same text while the upper sings yet another

Claudio Monteverdi's first opera was inspired by the Greek myth

a. Prometheus and Pandora. b. Orpheus and Eurydice. c. Paris and Helen of Troy. d. Zeus and Leda.