Rock 'n' Roll is important in the history of American music because:?

a. It marks the first time that the music industry identified young people as the primary audience for popular music.


b. It constantly uses new technology.


c. Coincided with the emergence of youth culture in the 1950s.


d. It shifted the dominant musical influences from European (melody) to African-American (rhythm)


e. All of the above

Rock 'n' Roll is important in the history of American music because:?
e and because without it, other unrelated genres wouldn't exist. How could rappers rap without stealing riffs from rockers!!!

tooth and nail