Why was the development of the danzón an important factor in developing a Cuban identity? How does the danzón-mambo differ from the danzón?

If a director wanted to portray an intimate, romantic conversation between a man and a woman, what would be the most advantageous way to stage the two characters?

A. both in profile, looking at each other B. both facing full-front, looking directly at the camera C. one in profile and one facing full front D. one with their back to the camera, one facing full front

The role of a heroic young man in an opera will probably be sung by

a. a soprano b. an alto c. a tenor d. a bass