美國的街頭音樂源於上世紀70年代美國黑人的一種街頭說唱文化從60年的嬉

美國的街頭音樂源於上世紀70年代美國黑人的一種街頭說唱文化從60年的嬉皮士文化，到70年代朋克、搖滾，再到80年代多元文化，最終互相交融，才形成了如今的街頭文化。

結果 (英文) 1:

American street music from the 1970s, African Americans a street rap culture
from 60 years of hippie culture, 70s punk, rock to 1980s multiculturalism, the final blend with each other, before the formation of today's street culture.

結果 (英文) 2:

Street music in the United States stems from a street rap culture of black Americans in the 1970s
From 60 years of hippie culture, to punk, rock and roll in the 1970s, to the 1980s, and finally blend ingress, forming today's street culture.

結果 (英文) 3:

American street music originated from a street rap culture of African Americans in the 1970s
From the hippie culture of 60 years to the punk and rock culture of 70's, and then to the multi culture of 80's, they finally blend with each other, forming the street culture today.