What single word best describes aleatory music?

Which of the following churches was the largest in Europe until the new Saint Peter's in Rome was constructed in the 17th century?

a. Cluny III b. Saint-Sernin, Toulouse c. Speyer Cathedral d. Sant'Ambrogio, Milan

The decoration of the façade of the Mir-i-Arab Madrasa is different than that of the mihrab from Iran because it __________.

a. emphasizes an important entrance b. directs worshippers toward Mecca c. features figural representations d. functioned as a royal tomb