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This Eskimo burial mask exemplifies what theme common to many of the early cultures of the Americas?

A costume designer's thumbnail sketches

A. help the designer communicate with the director. B. give an idea about how actors will look together on stage. C. usually become the basis for the final sketches. D. all of the above.

Which of the following is an Arabic or Turkish mode composed of tetrachords that forms the basis of melodic construction and improvisation?

a. Oud b. Taksim c. Maqam d. Kotekan