▁Type ▁O ▁Neg ative , ▁F ear ▁Factory , ▁O z zy ▁Os bourne , ▁and ▁Black ▁S abb ath . ▁ ▁Just ▁ 1 0 ▁days ▁later , ▁the ▁compet ing ▁R . O . A . R . ▁( Re vel ation ▁of ▁Altern ative ▁Rh yth ms ) ▁tour ▁also ▁played ▁Star plex ▁with ▁a ▁line up ▁that ▁included ▁S pon ge , ▁Se v end ust , ▁Blood h ound ▁Gang , ▁and ▁The ▁Re ver end ▁H orton ▁He at ▁on ▁June ▁ 1 1 . ▁ ▁July ▁ 1 3 , ▁ 1 9 9 9 : ▁Rob ▁Z omb ie , ▁S layer , ▁System ▁Of ▁A ▁Down , ▁S lip k not , ▁Prim us , ▁God sm ack , ▁F ear ▁Factory , ▁De ft ones , ▁and ▁Black ▁S abb ath ▁ ▁August ▁ 1 8 , ▁ 2 0 0 0 ▁( after ▁ven ue ▁was ▁renamed ▁Sm ir no ff ▁Music ▁Centre ): ▁P itch sh if ter , ▁Pan tera , ▁Inc ub us , ▁God sm ack , ▁Dist urbed ▁and ▁O z zy ▁Os bourne . ▁ ▁Two ▁weeks ▁prior , ▁the ▁T atto o ▁The ▁Earth ▁festival ▁had ▁presented ▁S lip k not , ▁Se v end ust , ▁S layer , ▁Sep ult ura ▁and ▁M ud v ay ne ▁on ▁August ▁ 6 . ▁ ▁July ▁ 5 , ▁ 2 0 0 1 : ▁T ap root , ▁S lip k not , ▁Papa