Whose job it is to ensure there is an audience?

During what period and in what locale was the Gothic style of building at its height?

a. the Muslim world during the early caliphates b. the ancient Near East about the time of Hammurabi c. Italy in the time of Caesar Augustus d. medieval Europe about 1250

Which seventeenth century Italian genre of vocal music was usually performed before a select group of listeners in a private residence?

What will be an ideal response?