9 8 8 , ▁capable ▁of ▁ 1 2 ▁seconds ▁of ▁sampling ▁time . ▁The ▁Be ast ie ▁Boys ▁released ▁Paul ' s ▁B out ique ▁in ▁ 1 9 8 9 , ▁an ▁entire ▁album ▁created ▁completely ▁from ▁an ▁ec lect ic ▁mix ▁of ▁samples , ▁produced ▁by ▁the ▁D ust ▁Brothers ▁using ▁an ▁E max ▁sam pler . ▁De ▁La ▁Soul ▁also ▁released ▁ 3 ▁Fe et ▁High ▁and ▁R ising ▁that ▁year . ▁▁ 1 9 9 0 s - present ▁ ▁Public ▁En emy ' s ▁Bomb ▁Squad ▁revolution ized ▁the ▁sound ▁of ▁hip - h op ▁with ▁dense ▁production ▁styles , ▁combining ▁tens ▁of ▁samples ▁per ▁song , ▁often ▁combining ▁per cussion ▁breaks ▁with ▁a ▁drum ▁machine . ▁Their ▁be ats ▁were ▁much ▁more ▁struct ured ▁than ▁the ▁early ▁more ▁minimal ▁and ▁repet itive ▁be ats . ▁The ▁M PC 3 0 0 0 ▁was ▁released ▁in ▁ 1 9 9 4 , ▁the ▁A K AI ▁M PC 2 0 0 0 ▁in ▁ 1 9 9 7 , ▁followed ▁by ▁the ▁M PC 2 0 0 0 X L ▁in ▁ 1 9 9 9 ▁and ▁the ▁M PC 2 5 0 0 ▁in ▁ 2 0 0 6 . ▁These ▁machines ▁combined ▁a ▁sampling ▁drum ▁machine ▁with ▁an ▁on board ▁M ID I ▁sequ encer ▁and ▁became ▁the ▁center pie ce ▁of ▁many ▁hip ▁hop ▁produ cers ' ▁stud ios . ▁The ▁Wu ▁Tang ▁Cl an ' s ▁producer ▁R Z A ▁is ▁often ▁cred