Beethoven began planning the Missa solemnis when he learned that his student and patron, Archduke Rudolph, was to be:

What architectural element of the choir at the Abbey Church of Saint-Denis was introduced at the time of Abbot Suger's redesign?

A. the ambulatory surrounding the apse B. the radiating chapels C. the ribbed groin vaults and external buttresses D. non-load-bearing walls filled with stained glass

Art cannot truly exist without...

A. an artist and an audience. B. someone to buy it. C. creativity. D. three-dimensional space.