What is the harmonic vocabulary of this selection?

Often the conception of the actor's makeup is: a. highly stylized and difficult to master

b. wholly achieved by the actor his- or herself. c. created by the costume designer as part of the design. d. delegated to the director who often has training in cosmetics.

Which of the following elements is usually not changed in varying the theme in theme-and-variations form?

A. Length B. Rhythm C. Melody D. Harmony