▁to ▁its ▁simple ▁blue ▁cover ▁with ▁the ▁band ' s ▁name ▁in ▁red ▁type face . ▁Engine ered ▁and ▁mixed ▁by ▁Thom ▁Wilson ▁and ▁produced ▁by ▁Middle ▁Class ▁bass ist ▁Mike ▁Pat ton , ▁it ▁was ▁recorded , ▁mixed , ▁and ▁master ed ▁in ▁only ▁four ▁days ▁and ▁featured ▁most ▁of ▁the ▁band ' s ▁o e uv re ▁at ▁the ▁time , ▁including ▁songs ▁from ▁their ▁dem os ▁and ▁Ro yer ▁and ▁R ikk ▁Ag new ' s ▁Det ours ▁songs . ▁Re leased ▁the ▁following ▁month , ▁it ▁was ▁one ▁of ▁the ▁first ▁hard core ▁punk ▁records ▁to ▁be ▁widely ▁distributed ▁throughout ▁the ▁United ▁States , ▁and ▁became ▁one ▁of ▁the ▁best - s elling ▁California ▁hard core ▁albums ▁behind ▁the ▁Dead ▁Kenn ed ys ' ▁F resh ▁F ruit ▁for ▁Rot ting ▁Veg et ables ▁( 1 9 8 0 ), ▁s elling ▁over ▁ 1 0 , 0 0 0 ▁copies . ▁ ▁Though ▁R ikk ▁Ag new ▁had ▁contributed ▁heavily ▁to ▁the ▁album , ▁t ensions ▁between ▁him ▁and ▁the ▁other ▁band ▁members ▁were ▁leading ▁to ▁frequent ▁arguments . ▁Just ▁a ▁few ▁months ▁after ▁the ▁album ' s ▁release , ▁during ▁a ▁performance ▁at ▁the ▁Star wood , ▁he ▁ab rupt ly ▁threw ▁his ▁guitar ▁and ▁walked ▁off stage , ▁qu itting ▁the ▁band . ▁" R ikk ▁and ▁I ▁began ▁to ▁have ▁conflic ting ▁ideas ▁and ▁R ikk ▁left , ▁cit ing ▁musical ▁differences ", ▁said ▁Brandenburg . ▁R ikk ▁briefly ▁rejo ined ▁the ▁Det ours ▁until