Late Modern English Era

Late Modern English Era, composers began to experiment with open forms and with more personally  expressive systems of  notation.
The United States was about to embark on a musical journey that would change the face of music for decades to come with emigragions of people from various country, majority african.
Than we began have more new mode of music, the three mode of music that I will mention are:
Rock And Roll, that electric guitar is center of musical instrument and considered by music of "black" cause was made by africans.(http://www.youtube.com/watch?v=F5fsqYctXgM).
Rhythm And Blues, that is construted by various by various musical instrument also considered by music of "black". (http://www.youtube.com/watch?v=O_V-DoQ5Hwo).
Traditional Pop, which the principal is sing of person with various musical instrumental.(http://www.youtube.com/watch?v=flm4xcOyiCo&feature=BFa&list=PLFDEF79377CA28841).

- Sheng Wang