Question

what were the main features that distinguished the music of rock 'n' roll from the music that preceded it, especially that associated with tin pan alley?

Answer 1

I got you what made rock different was it urban orientation focus on youth culture appealing to the working class sensibilities in relationship to get technology an African-American musical influences and performance styles postwar affluence of youth made invaluable customer market R&R conceded with changes in ways that the electric guitar was played hope this helps