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• 1 2019-03-12T23:56:32+00:00 January 5, 1957 4 plain published 2019-10-09T19:07:53+00:00 On January 5, 1957, the New York Amsterdam News featured an advertisement for the radio show of deejay “Jocko” Henderson, “your ace from outer space.” Henderson was an important early R&B and rock ’n’ roll deejay who hosted a radio show, Jocko’s Rocket Ship Show, that broadcast in New York and Philadelphia.