A _______ is a small musical fragment that forms a melodic +/or rhythmic unit that can be repeated, varied and combined into new patterns.

In a Gothic cathedral, a bay consists of

a. an arch and a triforium. b. the space between two piers. c. clerestory windows and a section of the nave arcade. d. the space in the crossing.

Zoroastrianism contributed to Christianity the

A. celebration of Easter. B. belief that Jesus was born of a virgin. C. concept of Satan as the personification of evil. D. idea of the resurrection.