music, rock and roll history

Two pages, double-spaced, 12-point font, Times New Roman
Part 1:
Write a historical narrative of early (post-war) rock music.
Combining content from 247 to 259, including its significance in cultural terms, transmission channels, historical background, and key historical figures and musicians mentioned in the film (eg, Alan Freed\ Bill Haley and His Comets, etc.)
Part of the content clearly states several sources of rock music: For example, Rock on the R&B Side, Country Side, and the Latin Side; folk music, etc.
Part 2:
Choose one of the following three questions to write, focus on describing the topic related to baby boom, race relations, and write your thoughts.
a. Who was Alan Freed, and what was his contribution to rock ‘n’ roll?
b. Describe the career of Elvis Presley. Where did he begin his recording career? How did his public image and music evolve throughout his career?
c. In what ways did rock ‘n’ roll affect youth culture in America during the 1950s?