Questions 14 to i6 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions. Now, listen to the passage. What is the main purpose of the talk
A．To explain the importance of learning rhythm and harmony in jazz. B．To show that jazz is not really music at all. C．To point out similarities between jazz and classical music. D．To describe what makes a good jazz performanc