Buttressing occurs when a straight row of arches are placed side by side

Giacomo della Porta's façade for the church of Il Gesù considered by many to be the first architectural manifestation of the Baroque because of its

a. ornate ceiling painting. b. classic proportions. c. dramatic jamb statues. d. added dimensionality.

As it relates to music of the Classical era, a refrain may be thought of as:

a) a cadenza-like insertion at the end of a movement b) the main theme in a rondo movement c) the trio section of a Minuet's larger second section d) the slow introduction to a symphony