Where was the cultural center and origin of opera. Describe the origins of how this large scale work evolved, it's patronage, musical technology affected it's inception. Who are some of the leading early adopters of this art form ?

answer; timpani,horns and bells;

based on the images pictured above, the major difference between the two cathedrals: the cathedral of notre dame and the amiens cathedral, is that the cathedral of notre dame emphasizes the horizontal lines while the amiens cathedral emphasizes the vertical lines.