The Arch of Constantine commemorates Constantine's victory over __________.

This selection features a number of examples of what its composer described as?

a) Leitmotivs b) harmonic cross relations c) Luftpausen d) recurring motives called the idée fixe

In which medium are the depictions of Justinian and Theodora in San Vitale made?

a. panel painting b. low relief sculpture c. fresco d. mosaic e. freestanding sculpture