" ▁and ▁" J es us ▁Wal ks ." ▁His ▁ 2 0 0 4 ▁album , ▁The ▁College ▁Drop out , ▁included ▁two ▁sample d ▁hits ▁featuring ▁Tw ista ▁which ▁led ▁to ▁the ▁Chicago ▁ra pper ' s ▁Kam ik aze ▁s elling ▁plat in um . ▁On ▁September ▁ 7 , ▁ 2 0 0 4 , ▁however , ▁a ▁U . S . ▁Court ▁of ▁App e als ▁in ▁Nash ville ▁changed ▁the ▁nature ▁of ▁musical ▁copy right ▁in fr ing ement ▁by ▁r uling ▁that ▁a ▁license ▁is ▁needed ▁in ▁every ▁case ▁of ▁sampling , ▁where ▁previously ▁a ▁small ▁portion ▁of ▁the ▁song ▁could ▁be ▁copied ▁without ▁re per cussion . ▁The ▁law ▁immediately ▁began ▁ra ref ying ▁samples ▁in ▁hip - h op ; ▁in ▁a ▁ 2 0 0 5 ▁interview ▁with ▁Sc r atch ▁magazine , ▁Dr . ▁Dre ▁announced ▁he ▁was ▁moving ▁more ▁toward ▁instrument ation , ▁and ▁in ▁ 2 0 0 6 ▁The ▁Not orious ▁B . I . G .' s ▁ 1 9 9 4 ▁debut ▁album ▁Re ady ▁to ▁Die ▁was ▁tempor arily ▁pulled ▁from ▁sh el ves ▁for ▁a ▁retro active ▁sample ▁clear ance ▁issue . ▁As ▁a ▁result , ▁more ▁major ▁produ cers ▁and ▁artists ▁have ▁moved ▁further ▁away ▁from ▁sampling ▁and ▁toward ▁live ▁instrument ation , ▁such ▁as ▁Wu - T ang ' s . ▁There ▁were ▁often ▁questions ▁of ▁original ity ▁and ▁authentic ity ▁that ▁followed ▁the ▁use ▁of ▁sampling . ▁R Z A ▁and ▁Mos