Which 20th-century aesthetic movement was considered a positive and purifying force in all the arts?

The Catholic group that advocated reforms within the Catholic church and thus launched the Counter Reformation was the

A. Cathedral of Notre Dame. B. Florentine Camerata. C. Council of Trent. D. none of the above.

The composer of this listening example is:

A. Virgil Thomson B. Bernard Hermann C. Aaron Copland D. John Williams