▁ ▁In ▁ 1 9 9 9 , ▁Az ad ▁signed ▁as ▁a ▁solo ▁artist ▁with ▁Pel ham ▁Power ▁Produ ctions . ▁He ▁became ▁a ▁sens ation ▁on ▁the ▁hip ▁hop ▁scene ▁winning ▁" Da ▁Sw ing ▁DJ ▁Battle ". ▁Single ▁" N ap alm " ▁followed ▁by ▁his ▁solo ▁album ▁Leben ▁completely ▁produced ▁by ▁Az ad ▁and ▁follow ▁up ▁album ▁Fa ust ▁des ▁Nord west ens ▁firm ly ▁established ▁him ▁as ▁a ▁successful ▁artist ▁and ▁a ▁cult ▁figure . ▁ ▁In ▁ 2 0 0 4 , ▁Az ad ▁founded ▁his ▁own ▁production ▁company ▁" B oz z ▁Music ", ▁the ▁urban ▁music ▁wing ▁of ▁Universal ▁Music . ▁Az ad ▁formed ▁the ▁group ▁War heit ▁with ▁Se za i , ▁L un af row , ▁J ey z , ▁Ch aker . ▁So on ▁a ▁huge ▁rival ry ▁er upt ed ▁between ▁Az ad ▁and ▁Bo zz ▁Music ▁label ▁on ▁the ▁one ▁side ▁and ▁A gg ro ▁Berlin ▁label ▁on ▁the ▁other . ▁This ▁put ▁Az ad ▁even ▁more ▁in ▁the ▁spot light ▁as ▁the ▁rival ry ▁es cal ated . ▁ ▁Az ad ▁released ▁his ▁third ▁studio ▁album ▁Der ▁Bo zz ▁in ▁ 2 0 0 4 ▁reaching ▁the ▁German ▁Albums ▁Top ▁ 1 0 ▁by ▁far ▁out s elling ▁his ▁first ▁ 2 ▁albums . ▁However ▁the ▁watch dog ▁body ▁B P j M ▁sl ammed ▁the ▁album ▁as ▁too ▁violent ▁and ▁a ▁" d anger ▁to ▁youth ". ▁ ▁O dd ly ▁enough , ▁Az ad ' s ▁biggest