What was the musical dichotomy Ives described as the property of every composition?

Poussin's Et in Arcadia Ego means: a. I, too, once dwelled in Arcady

b. I and Arcady are dead. c. And the eagle arches its wings. d. And Arcady shot the eagle.

Francis Ferguson, a 20th-century theatre critic, has argued that dramatic action builds through three steps: a. purpose, passion, and perception

b. purpose, knowledge, and misunderstanding. c. purpose, struggle, and knowledge. d. purpose, problem, and misunderstanding.