The term intensity refers to the duration of the pitch of a musical sound

John Adams's Nixon in China is the first opera ever to use

a. a staged media event as the basis for its dramatic structure. b. music produced solely on an electronic synthesizer. c. repeating dance sequences set to different music. d. performers who transformed their voices electronically.

According to Robert Venturi, Las Vegas is the model for postmodern urban form because its structures

a. are not homogenous. b. are of a grand scale. c. are arranged chaotically. d. reflect multiple cultures.