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In page Loop (music):

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Another effective use of tape loops was Jamaican dub music in the 1960s. Dub producer King Tubby used tape loops in his productions while improvising with homemade delay units. Another dub producer, Sylvan Morris, developed a slapback echo effect by using both mechanical and handmade tape loops. These techniques were later adopted by hip hop musicians in the 1970s.[4] Grandmaster Flash's turntablism is an early example in hip hop.[citation needed]