Composing for these new instruments was optional

Which play by Sophocles portrays the traumas and anxiety soldiers experience during war?

A) ?Ajax B) ?The Birds C) ?Oedipus at Colonus D) ?Oresteia

Which of the following best describes the singing style in this listening example that is typical of the Plains Indians?

A. light singing style, with some pulsations B. voice is low and growling in tone C. high, tense, pulsated vocal quality D. terraced ascending