Which scale does John Cage's 4'33" use?

The first musical born of the prolific collaboration between Oscar Hammerstein and Richard Rodgers was

A. West Side Story. B. The Sound of Music. C. Show Boat. D. Oklahoma.

The fight-scene sound effects in Raging Bull were devised by

A. simply attaching microphones to the principal actors and allowing them to film the scene. B. synthesizing realistic fight sounds using digital audio technology. C. layering as many as fifty different sounds, including abstract sounds like those of a jet airplane taking off. D. placing sensitive microphones all around the ring and recording the actual sounds of a middle-weight boxing match.