The apron scenes on either side of the St. Francis altarpiece show how Francis was like

The tremendous dome of Hagia Sophia is supported by

a) four pendentives. b) brick walls. c) four lintels. d) a wooden framework.

One movement of this composition mixes atonal harmonies with?

a) South American Tango music b) the traditional waltz c) Cuban popular dance music d) hip-hop