What Jamaicans were doing had no connection to what went down in the nascent world of early HipHop.
1)
Baam
Herc
^^BOTH said their influences were USAmerican Disco setups/djs
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2) no one rocked with Jamaican culture like that in the 1970s
This is why Herc had to cosplay
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3) Partying and Djing has always been part of the FBA culture
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4) Coke La Rock an FBA was doing the "Rapping" for Herc.
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5) Once again, Jamaican culture wasn't really popping in NY until the 1980s/1990s. This is why Fat Joe said he never heard any Jamaican music in the Bronx before the mid-1980s
and why Dancehall had to get mixed with more pronounced FBA musical qualities to crossover
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6) The 2 turntable setup of Disco is the father of the HipHop soundsystem (which would give birth to the turntablist), totally different from the 1 turntable setup of Jamaican culture where they know nothing about real turntable skills